Fix regression from bug 113173 checkin. b=221186 Patch from Brian Ryner <bryner@brianryner.com>. r+sr=bzbarsky

dom/src/base/nsDOMClassInfo.cpp

@@ -4663,7 +4663,7 @@ nsElementSH::PostCreate(nsIXPConnectWrappedNative *wrapper, JSContext *cx,
 
   nsCOMPtr<nsIURI> bindingURL;
   pctx->GetXBLBindingURL(content, getter_AddRefs(bindingURL));
-  if (!binding) {
+  if (!bindingURL) {
     // No binding, nothing left to do here.
     return NS_OK;
   }