macosx: always make the fullscreen window front when in fullscreen

This fixes several issues when you move your mouse outside the fullscreen at an
sedondary display and reenter vlc with the mouse. Now, the controls are shown
reliably and the mouse movement actions work as aspected in that case.
Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

modules/gui/macosx/MainWindow.m

@@ -1074,7 +1074,12 @@ static VLCMainWindow *_o_sharedInstance = nil;
         //FIXME! b_chapters = p_input->stream.i_area_nb > 1;
 
         if (cachedInputState == PLAYING_S || b_buffering == YES)
-            [self makeKeyAndOrderFront: nil];
+        {
+            if( b_fullscreen && o_fullscreen_window != nil )
+                [o_fullscreen_window makeKeyAndOrderFront: nil];
+            else
+                [self makeKeyAndOrderFront: nil];
+        }
         vlc_object_release( p_input );
     }