syscall, internal/syscall/windows, internal/syscall/windows/registry: make go...

syscall, internal/syscall/windows, internal/syscall/windows/registry: make go generate use new golang.org/x/sys/windows/mkwinsyscall

Updates #34388

Change-Id: I327a1c1557c47fa6c113c7a1a507a8e7355f9d1a
Reviewed-on: https://go-review.googlesource.com/c/go/+/199277
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>

src/internal/syscall/windows/mksyscall.go

@@ -6,4 +6,4 @@
 
 package windows
 
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go syscall_windows.go security_windows.go psapi_windows.go symlink_windows.go
+//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go syscall_windows.go security_windows.go psapi_windows.go symlink_windows.go

src/internal/syscall/windows/registry/mksyscall.go

@@ -6,4 +6,4 @@
 
 package registry
 
-//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsyscall_windows.go syscall.go
+//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go syscall.go

src/syscall/syscall.go

@@ -26,7 +26,7 @@
 //
 package syscall
 
-//go:generate go run mksyscall_windows.go -systemdll -output zsyscall_windows.go syscall_windows.go security_windows.go
+//go:generate go run golang.org/x/sys/windows/mkwinsyscall -systemdll -output zsyscall_windows.go syscall_windows.go security_windows.go
 
 // StringByteSlice converts a string to a NUL-terminated []byte,
 // If s contains a NUL byte this function panics instead of