Fix leak regression from timeless's checkin yesterday. b=235882 r=caillon sr=jst

xpcom/components/nsComponentManager.cpp

@@ -3242,7 +3242,7 @@ nsComponentManagerImpl::AutoRegisterImpl(PRInt32 when,
         nsCOMPtr<nsIComponentLoader> loader;
         int typeIndex;
         rv = AddLoaderType(loaderType.get(), &typeIndex);
-        if (NS_FAILED(rv));
+        if (NS_FAILED(rv))
             return rv;
         GetLoaderForType(typeIndex, getter_AddRefs(loader));
     }