Missing return value

modules/gui/qt4/dialogs/external.cpp

@@ -53,7 +53,9 @@ int QVLCVariable::callback (vlc_object_t *object, const char *,
                             vlc_value_t, vlc_value_t cur, void *data)
 {
     QVLCVariable *self = (QVLCVariable *)data;
+
     emit self->pointerChanged (object, cur.p_address);
+    return VLC_SUCCESS;
 }
 
 
@@ -247,4 +249,4 @@ void DialogHandler::startProgressBar (vlc_object_t *, void *value)
 void DialogHandler::stopProgressBar (QWidget *dlg)
 {
     delete dlg;
-}
\ No newline at end of file
+}