[mutter] meta-window-actor: Make sure that the shape_region is always set

[Adel Gadllah <agadllah src gnome org>]

commit 1c680be11a52e34b84502eef3b48ebfef75ca429
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Sat Feb 9 20:50:56 2013 +0100

    meta-window-actor: Make sure that the shape_region is always set
    
    Start off with an empty region to make sure that the shape_region is
    always set even for unredirected and frozen windows.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=693482

 src/compositor/meta-window-actor.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 30c63c4..9dc56b2 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -362,9 +362,9 @@ meta_window_actor_constructed (GObject *object)
 
   meta_window_actor_update_opacity (self);
 
-  /* Force a reshape to ensure that we always have a set shape_region. */
-  meta_window_actor_update_shape (self);
-  check_needs_reshape (self);
+  /* Start off with an empty region to maintain the invariant that
+     the shape region is always set */
+  priv->shape_region = cairo_region_create();
 }
 
 static void