windows: change CreateProcessAsUser from kernel32 to advapi32

While kernel32.dll works as a target, the documentation says advapi32,
so go with that to be safe:

https://docs.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessasuserw

Change-Id: I8e4a3693dad3759c3a094fa2476b89fb3d38b6bd
Reviewed-on: https://go-review.googlesource.com/c/sys/+/323789
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Trust: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
diff --git a/windows/syscall_windows.go b/windows/syscall_windows.go
index 183173a..1215b2a 100644
--- a/windows/syscall_windows.go
+++ b/windows/syscall_windows.go
@@ -220,7 +220,7 @@
 //sys	CancelIo(s Handle) (err error)
 //sys	CancelIoEx(s Handle, o *Overlapped) (err error)
 //sys	CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessW
-//sys	CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = CreateProcessAsUserW
+//sys	CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) = advapi32.CreateProcessAsUserW
 //sys   initializeProcThreadAttributeList(attrlist *ProcThreadAttributeList, attrcount uint32, flags uint32, size *uintptr) (err error) = InitializeProcThreadAttributeList
 //sys   deleteProcThreadAttributeList(attrlist *ProcThreadAttributeList) = DeleteProcThreadAttributeList
 //sys   updateProcThreadAttribute(attrlist *ProcThreadAttributeList, flags uint32, attr uintptr, value unsafe.Pointer, size uintptr, prevvalue unsafe.Pointer, returnedsize *uintptr) (err error) = UpdateProcThreadAttribute
diff --git a/windows/zsyscall_windows.go b/windows/zsyscall_windows.go
index 86989b5..148de0f 100644
--- a/windows/zsyscall_windows.go
+++ b/windows/zsyscall_windows.go
@@ -69,6 +69,7 @@
 	procConvertStringSecurityDescriptorToSecurityDescriptorW = modadvapi32.NewProc("ConvertStringSecurityDescriptorToSecurityDescriptorW")
 	procConvertStringSidToSidW                               = modadvapi32.NewProc("ConvertStringSidToSidW")
 	procCopySid                                              = modadvapi32.NewProc("CopySid")
+	procCreateProcessAsUserW                                 = modadvapi32.NewProc("CreateProcessAsUserW")
 	procCreateServiceW                                       = modadvapi32.NewProc("CreateServiceW")
 	procCreateWellKnownSid                                   = modadvapi32.NewProc("CreateWellKnownSid")
 	procCryptAcquireContextW                                 = modadvapi32.NewProc("CryptAcquireContextW")
@@ -185,7 +186,6 @@
 	procCreateMutexW                                         = modkernel32.NewProc("CreateMutexW")
 	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
 	procCreatePipe                                           = modkernel32.NewProc("CreatePipe")
-	procCreateProcessAsUserW                                 = modkernel32.NewProc("CreateProcessAsUserW")
 	procCreateProcessW                                       = modkernel32.NewProc("CreateProcessW")
 	procCreateSymbolicLinkW                                  = modkernel32.NewProc("CreateSymbolicLinkW")
 	procCreateToolhelp32Snapshot                             = modkernel32.NewProc("CreateToolhelp32Snapshot")
@@ -554,6 +554,18 @@
 	return
 }
 
+func CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) {
+	var _p0 uint32
+	if inheritHandles {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall12(procCreateProcessAsUserW.Addr(), 11, uintptr(token), uintptr(unsafe.Pointer(appName)), uintptr(unsafe.Pointer(commandLine)), uintptr(unsafe.Pointer(procSecurity)), uintptr(unsafe.Pointer(threadSecurity)), uintptr(_p0), uintptr(creationFlags), uintptr(unsafe.Pointer(env)), uintptr(unsafe.Pointer(currentDir)), uintptr(unsafe.Pointer(startupInfo)), uintptr(unsafe.Pointer(outProcInfo)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
 func CreateService(mgr Handle, serviceName *uint16, displayName *uint16, access uint32, srvType uint32, startType uint32, errCtl uint32, pathName *uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16, password *uint16) (handle Handle, err error) {
 	r0, _, e1 := syscall.Syscall15(procCreateServiceW.Addr(), 13, uintptr(mgr), uintptr(unsafe.Pointer(serviceName)), uintptr(unsafe.Pointer(displayName)), uintptr(access), uintptr(srvType), uintptr(startType), uintptr(errCtl), uintptr(unsafe.Pointer(pathName)), uintptr(unsafe.Pointer(loadOrderGroup)), uintptr(unsafe.Pointer(tagId)), uintptr(unsafe.Pointer(dependencies)), uintptr(unsafe.Pointer(serviceStartName)), uintptr(unsafe.Pointer(password)), 0, 0)
 	handle = Handle(r0)
@@ -1578,18 +1590,6 @@
 	return
 }
 
-func CreateProcessAsUser(token Token, appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) {
-	var _p0 uint32
-	if inheritHandles {
-		_p0 = 1
-	}
-	r1, _, e1 := syscall.Syscall12(procCreateProcessAsUserW.Addr(), 11, uintptr(token), uintptr(unsafe.Pointer(appName)), uintptr(unsafe.Pointer(commandLine)), uintptr(unsafe.Pointer(procSecurity)), uintptr(unsafe.Pointer(threadSecurity)), uintptr(_p0), uintptr(creationFlags), uintptr(unsafe.Pointer(env)), uintptr(unsafe.Pointer(currentDir)), uintptr(unsafe.Pointer(startupInfo)), uintptr(unsafe.Pointer(outProcInfo)), 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
 func CreateProcess(appName *uint16, commandLine *uint16, procSecurity *SecurityAttributes, threadSecurity *SecurityAttributes, inheritHandles bool, creationFlags uint32, env *uint16, currentDir *uint16, startupInfo *StartupInfo, outProcInfo *ProcessInformation) (err error) {
 	var _p0 uint32
 	if inheritHandles {