[mutter/wayland] window-actor: Fix build

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

commit 1987cbb764d22271b639b61a2dd84cd07b33cc51
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Aug 29 17:16:15 2013 -0400

    window-actor: Fix build

 src/compositor/meta-window-actor.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/src/compositor/meta-window-actor.c b/src/compositor/meta-window-actor.c
index 55bf0b3..b967b57 100644
--- a/src/compositor/meta-window-actor.c
+++ b/src/compositor/meta-window-actor.c
@@ -2168,13 +2168,17 @@ meta_window_actor_process_wayland_damage (MetaWindowActor *self,
                                           int height)
 {
   MetaWindowActorPrivate *priv = self->priv;
+  gboolean redraw_queued;
 
   if (!priv->mapped)
     return;
 
-  meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
-                                   x, y, width, height);
-  priv->repaint_scheduled = TRUE;
+  redraw_queued = meta_shaped_texture_update_area (META_SHAPED_TEXTURE (priv->actor),
+                                                   x, y, width, height,
+                                                   clutter_actor_has_mapped_clones (priv->actor) ?
+                                                   NULL : priv->unobscured_region);
+
+  priv->repaint_scheduled = priv->repaint_scheduled  || redraw_queued;
 }
 
 void