cmd/go: fix windows build

R=golang-dev, alex.brainman, rsc
CC=golang-dev
https://golang.org/cl/5502066

diff --git a/src/cmd/go/build.go b/src/cmd/go/build.go
index 62c8d90d304efafed93c1e1c5f47da57d7aa7cd6..7e87956e7d26f8e2983c5615ca0b06f0ca91f67b 100644 (file)
--- a/src/cmd/go/build.go
+++ b/src/cmd/go/build.go
@@ -917,7 +917,7 @@ func (b *builder) gccCmd(objdir string, flags []string, args ...string) []string
        if build.DefaultContext.CgoEnabled {
                switch b.goos {
                case "windows":
-                       a = append(a, "-mthread")
+                       a = append(a, "-mthreads")
                default:
                        a = append(a, "-pthread")
                }