[mutter] screen: Laters are not GSources

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

commit 25b5ea8b4fdcf71246c2c587c419deafdbcc3853
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Nov 9 11:06:53 2013 -0500

    screen: Laters are not GSources
    
    This warns with the new GLib when we destroy the screen.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=711731

 src/core/screen.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/core/screen.c b/src/core/screen.c
index c0ec71d..e07e5b3 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -859,9 +859,9 @@ meta_screen_free (MetaScreen *screen,
                   screen->wm_sn_selection_window);
   
   if (screen->work_area_later != 0)
-    g_source_remove (screen->work_area_later);
+    meta_later_remove (screen->work_area_later);
   if (screen->check_fullscreen_later != 0)
-    g_source_remove (screen->check_fullscreen_later);
+    meta_later_remove (screen->check_fullscreen_later);
 
   if (screen->monitor_infos)
     g_free (screen->monitor_infos);