[mutter] MetaWindowActor: Make sure to always pop an error trap

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

commit 088e0c1ee7edaa2e711c17a5db330157878cd538
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Sep 12 22:52:26 2011 -0400

    MetaWindowActor: Make sure to always pop an error trap
    
    https://bugzilla.gnome.org/show_bug.cgi?id=658228

 src/compositor/meta-window-actor.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 7660e40..f85eb51 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -1884,7 +1884,7 @@ check_needs_pixmap (MetaWindowActor *self)
         {
           meta_verbose ("Unable to get named pixmap for %p\n", self);
           meta_window_actor_update_bounding_region_and_borders (self, 0, 0);
-          return;
+          goto out;
         }
 
       if (compositor->no_mipmaps)
@@ -1910,9 +1910,10 @@ check_needs_pixmap (MetaWindowActor *self)
       meta_window_actor_update_bounding_region_and_borders (self, pxm_width, pxm_height);
     }
 
-  meta_error_trap_pop (display);
-
   priv->needs_pixmap = FALSE;
+
+ out:
+  meta_error_trap_pop (display);
 }
 
 static void