runtime: update field types in preparation for GC changes
R=rsc, remyoudompheng, minux.ma, ality
CC=golang-dev
https://golang.org/cl/6242061
diff --git a/src/pkg/runtime/thread_darwin.c b/src/pkg/runtime/thread_darwin.c
index a0fb527..bfdd987 100644
--- a/src/pkg/runtime/thread_darwin.c
+++ b/src/pkg/runtime/thread_darwin.c
@@ -114,7 +114,7 @@
{
// Initialize signal handling.
m->gsignal = runtime·malg(32*1024); // OS X wants >=8K, Linux >=2K
- runtime·signalstack(m->gsignal->stackguard - StackGuard, 32*1024);
+ runtime·signalstack((byte*)m->gsignal->stackguard - StackGuard, 32*1024);
if(m->profilehz > 0)
runtime·sigprocmask(SIG_SETMASK, &sigset_none, nil);