cmd/vendor: update vendored golang.org/x/sys/windows

Update to x/sys git revision 074acd46bca67915925527c07849494d115e7c43

This fixes TestFormatMessage and TestExample on windows/arm by pulling
in CL 154560 and CL 154817.

Change-Id: Ic6495fe3072b5bcc7ea68efb3f0be5fc1fe4c238
Reviewed-on: https://go-review.googlesource.com/c/155297
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/src/cmd/vendor/golang.org/x/sys/windows/svc/svc_test.go b/src/cmd/vendor/golang.org/x/sys/windows/svc/svc_test.go
index 60eb447..feed8fa 100644
--- a/src/cmd/vendor/golang.org/x/sys/windows/svc/svc_test.go
+++ b/src/cmd/vendor/golang.org/x/sys/windows/svc/svc_test.go
@@ -121,13 +121,9 @@
 		t.Fatalf("Delete failed: %s", err)
 	}
 
-	cmd := `Get-Eventlog -LogName Application -Newest 100` +
-		` | Where Source -eq "myservice"` +
-		` | Select -first 10` +
-		` | Format-table -HideTableHeaders -property ReplacementStrings`
-	out, err := exec.Command("powershell", "-Command", cmd).CombinedOutput()
+	out, err := exec.Command("wevtutil.exe", "qe", "Application", "/q:*[System[Provider[@Name='myservice']]]", "/rd:true", "/c:10").CombinedOutput()
 	if err != nil {
-		t.Fatalf("powershell failed: %v\n%v", err, string(out))
+		t.Fatalf("wevtutil failed: %v\n%v", err, string(out))
 	}
 	if want := strings.Join(append([]string{name}, args...), "-"); !strings.Contains(string(out), want) {
 		t.Errorf("%q string does not contain %q", string(out), want)
diff --git a/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows_test.go b/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows_test.go
index 0e27464..539dda2 100644
--- a/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows_test.go
+++ b/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows_test.go
@@ -10,7 +10,6 @@
 	"path/filepath"
 	"syscall"
 	"testing"
-	"unsafe"
 
 	"golang.org/x/sys/windows"
 )
@@ -54,34 +53,14 @@
 }
 
 func TestFormatMessage(t *testing.T) {
-	dll := windows.MustLoadDLL("pdh.dll")
+	dll := windows.MustLoadDLL("netevent.dll")
 
-	pdhOpenQuery := func(datasrc *uint16, userdata uint32, query *windows.Handle) (errno uintptr) {
-		r0, _, _ := syscall.Syscall(dll.MustFindProc("PdhOpenQueryW").Addr(), 3, uintptr(unsafe.Pointer(datasrc)), uintptr(userdata), uintptr(unsafe.Pointer(query)))
-		return r0
-	}
-
-	pdhCloseQuery := func(query windows.Handle) (errno uintptr) {
-		r0, _, _ := syscall.Syscall(dll.MustFindProc("PdhCloseQuery").Addr(), 1, uintptr(query), 0, 0)
-		return r0
-	}
-
-	var q windows.Handle
-	name, err := windows.UTF16PtrFromString("no_such_source")
-	if err != nil {
-		t.Fatal(err)
-	}
-	errno := pdhOpenQuery(name, 0, &q)
-	if errno == 0 {
-		pdhCloseQuery(q)
-		t.Fatal("PdhOpenQuery succeeded, but expected to fail.")
-	}
-
+	const TITLE_SC_MESSAGE_BOX uint32 = 0xC0001B75
 	const flags uint32 = syscall.FORMAT_MESSAGE_FROM_HMODULE | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
 	buf := make([]uint16, 300)
-	_, err = windows.FormatMessage(flags, uintptr(dll.Handle), uint32(errno), 0, buf, nil)
+	_, err := windows.FormatMessage(flags, uintptr(dll.Handle), TITLE_SC_MESSAGE_BOX, 0, buf, nil)
 	if err != nil {
-		t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, errno, err)
+		t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, TITLE_SC_MESSAGE_BOX, err)
 	}
 }
 
diff --git a/src/cmd/vendor/vendor.json b/src/cmd/vendor/vendor.json
index 1dcf16d..b44f022 100644
--- a/src/cmd/vendor/vendor.json
+++ b/src/cmd/vendor/vendor.json
@@ -137,10 +137,10 @@
 			"revisionTime": "2018-12-13T07:38:38Z"
 		},
 		{
-			"checksumSHA1": "s+lofQ+SCdhmy0cQp9FpdQncuuI=",
+			"checksumSHA1": "WoSat9PbqZFXREek5bkUBr256/Q=",
 			"path": "golang.org/x/sys/windows",
-			"revision": "90868a75fefd03942536221d7c0e2f84ec62a668",
-			"revisionTime": "2018-08-01T20:46:00Z"
+			"revision": "074acd46bca67915925527c07849494d115e7c43",
+			"revisionTime": "2018-12-18T18:24:21Z"
 		},
 		{
 			"checksumSHA1": "yEg3f1MGwuyDh5NrNEGkWKlTyqY=",
@@ -149,10 +149,10 @@
 			"revisionTime": "2018-08-01T20:46:00Z"
 		},
 		{
-			"checksumSHA1": "ZDwqsuoZqQq/XMQ0R0dJ4oK41lU=",
+			"checksumSHA1": "sL1Y17u+ri3uepsUZOZ4uopiPEg=",
 			"path": "golang.org/x/sys/windows/svc",
-			"revision": "90868a75fefd03942536221d7c0e2f84ec62a668",
-			"revisionTime": "2018-08-01T20:46:00Z"
+			"revision": "074acd46bca67915925527c07849494d115e7c43",
+			"revisionTime": "2018-12-18T18:24:21Z"
 		},
 		{
 			"checksumSHA1": "e9KJPWrdqg5PMkbE2w60Io8rY4M=",