runtime/cgo: silence warning on windows

It appears to want a * on an indirect function call (assembly language)

TBR=rsc

R=golang-dev
CC=golang-dev
https://golang.org/cl/5643054

diff --git a/src/pkg/runtime/cgo/gcc_amd64.S b/src/pkg/runtime/cgo/gcc_amd64.S
index 8e6d506f38692eb402cddf814be37dc2323f67ac..706ee6b584c80d5107e8a47dae54089006aea267 100644 (file)
--- a/src/pkg/runtime/cgo/gcc_amd64.S
+++ b/src/pkg/runtime/cgo/gcc_amd64.S
@@ -70,7 +70,7 @@ EXT(crosscall2):
        movq  %rdx, 0(%rsp)     /* arg */
        movq  %r8, 8(%rsp)      /* argsize (includes padding) */
        
-       call %rcx       /* fn */
+       call *%rcx      /* fn */
 #else
        movq  %rsi, 0(%rsp)     /* arg */
        movq  %rdx, 8(%rsp)     /* argsize (includes padding) */