runtime: fix unused variable warning

R=rsc
CC=golang-dev
https://golang.org/cl/4188043

diff --git a/src/pkg/runtime/mfinal.c b/src/pkg/runtime/mfinal.c
index 6501813fb61047d429a90c4a96be70b65fea508f..f3138145b4cd07dcba402a48054cbde399f934a1 100644 (file)
--- a/src/pkg/runtime/mfinal.c
+++ b/src/pkg/runtime/mfinal.c
@@ -92,7 +92,6 @@ runtime·addfinalizer(void *p, void (*f)(void*), int32 nret)
 {
        Fintab newtab;
        int32 i;
-       uint32 *ref;
        byte *base;
        Finalizer *e;