[gnome-initial-setup] cc-timezone-map: Use g_clear_object once more

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

commit db8fdd29b9072d5982ac81ff4118579b3124f962
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Oct 31 16:31:22 2013 -0400

    cc-timezone-map: Use g_clear_object once more

 .../pages/timezone/cc-timezone-map.c               |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)
---
diff --git a/gnome-initial-setup/pages/timezone/cc-timezone-map.c 
b/gnome-initial-setup/pages/timezone/cc-timezone-map.c
index 250c702..6eb0912 100644
--- a/gnome-initial-setup/pages/timezone/cc-timezone-map.c
+++ b/gnome-initial-setup/pages/timezone/cc-timezone-map.c
@@ -53,12 +53,7 @@ cc_timezone_map_dispose (GObject *object)
 
   g_clear_object (&priv->orig_background);
   g_clear_object (&priv->orig_background_dim);
-
-  if (priv->background)
-    {
-      g_object_unref (priv->background);
-      priv->background = NULL;
-    }
+  g_clear_object (&priv->background);
 
   G_OBJECT_CLASS (cc_timezone_map_parent_class)->dispose (object);
 }