runtime: fix set and not used

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5305087

diff --git a/src/pkg/runtime/windows/amd64/callback.c b/src/pkg/runtime/windows/amd64/callback.c
index d53822e2be9b4847244af851284a7bd8f3337eac..f6fde4fb889fab1390898d5712844d471b1ee034 100644 (file)
--- a/src/pkg/runtime/windows/amd64/callback.c
+++ b/src/pkg/runtime/windows/amd64/callback.c
@@ -98,7 +98,7 @@ runtime·compilecallback(Eface fn, bool /*cleanstack*/)
 
        // JMP AX
        *p++ = 0xFF;
-       *p++ = 0xE0;
+       *p = 0xE0;
 
        return &c->asmbody;
 }