bug 710581 - fixing GCC 4.6 warning. r=bhackett

--HG--
extra : rebase_source : ae76549e73945844a75c1d518682b5db4af4cd1a

js/src/jspropertycache.cpp

@@ -185,7 +185,9 @@ PropertyCache::fullTest(JSContext *cx, jsbytecode *pc, JSObject **objp, JSObject
                         PropertyCacheEntry *entry)
 {
     JSObject *obj, *pobj, *tmp;
+#ifdef DEBUG
     JSScript *script = cx->stack.currentScript();
+#endif
 
     JS_ASSERT(this == &JS_PROPERTY_CACHE(cx));
     JS_ASSERT(uint32(pc - script->code) < script->length);