gui/macosx: try a fix of validateMenuItem: that avoid to fail on...

gui/macosx: try a fix of validateMenuItem: that avoid to fail on __vlc_object_release() assertion (internals->i_children==0).
Signed-off-by: Pierre d'Herbemont <pdherbemont@free.fr>

modules/gui/macosx/controls.m

@@ -1123,7 +1123,6 @@
     
                 vlc_object_release( (vlc_object_t *)p_vout );
             }
-            vlc_object_release( p_input );
         }
         if( [[o_mi title] isEqualToString: _NS("Fullscreen")] )
         {