arm: fix build, regenerate syscall files

R=r
CC=golang-dev
https://golang.org/cl/1952046
diff --git a/src/pkg/syscall/zsyscall_linux_arm.go b/src/pkg/syscall/zsyscall_linux_arm.go
index 4b535f9..93faf5a 100644
--- a/src/pkg/syscall/zsyscall_linux_arm.go
+++ b/src/pkg/syscall/zsyscall_linux_arm.go
@@ -628,14 +628,6 @@
 	return
 }
 
-func socketpair(domain int, typ int, proto int) (fd [2]int, errno int) {
-	var f [2]int
-	_, _, e1 := Syscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(&f)), 0, 0)
-	fd = f
-	errno = int(e1)
-	return
-}
-
 func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
 	_, _, e1 := Syscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
 	errno = int(e1)
@@ -669,6 +661,12 @@
 	return
 }
 
+func socketpair(domain int, typ int, flags int, fd *[2]int) (errno int) {
+	_, _, e1 := Syscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0)
+	errno = int(e1)
+	return
+}
+
 func Chown(path string, uid int, gid int) (errno int) {
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid))
 	errno = int(e1)