emotion: call shutdown when smart objects are destroyed

the constructor calls init for every object, so ensure a matching
shutdown call exists to balance the init count

ref 517471190f
ref T6816

Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>

src/lib/emotion/emotion_smart.c

@@ -1933,6 +1933,7 @@ _efl_canvas_video_efl_canvas_group_group_del(Evas_Object *obj EINA_UNUSED, Efl_C
    sd->ref.file = NULL;
    _xattr_data_unref(sd->xattr);
    efl_canvas_group_del(efl_super(obj, MY_CLASS));
+   emotion_shutdown();
 }
 
 EOLIAN static void