[mutter] window: Make sure not to eat any events that end grab ops

[Jasper St. Pierre <jstpierre src gnome org>]

commit a5cca5296cd4a3caed214e6203cd313caad3d89a
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon May 5 14:14:00 2014 -0400

    window: Make sure not to eat any events that end grab ops
    
    We need to send the button press / button release that ended a grab
    op to Wayland clients so their tracking don't get confused.

 src/core/window.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index edf32ff..69bad65 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -6600,6 +6600,7 @@ meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
           meta_grab_op_is_keyboard (window->display->grab_op))
         {
           end_grab_op (window, event);
+          return FALSE;
         }
       return TRUE;
 
@@ -6608,6 +6609,7 @@ meta_window_handle_mouse_grab_op_event  (MetaWindow         *window,
           event->button.button == (unsigned int) meta_prefs_get_mouse_button_resize ())
         {
           end_grab_op (window, event);
+          return FALSE;
         }
       return TRUE;