[gtk+] accessible: Check the widgeyt actually changed when setting

[Benjamin Otte <otte src gnome org>]

commit 5789fd983b2e1d8c8fafebd4e706a2e13729905c
Author: Benjamin Otte <otte redhat com>
Date:   Sun Dec 18 07:30:23 2011 +0100

    accessible: Check the widgeyt actually changed when setting

 gtk/gtkaccessible.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkaccessible.c b/gtk/gtkaccessible.c
index 3eebc6b..ebb9e34 100644
--- a/gtk/gtkaccessible.c
+++ b/gtk/gtkaccessible.c
@@ -137,9 +137,16 @@ void
 gtk_accessible_set_widget (GtkAccessible *accessible,
                            GtkWidget     *widget)
 {
+  GtkAccessiblePrivate *priv;
+
   g_return_if_fail (GTK_IS_ACCESSIBLE (accessible));
 
-  accessible->priv->widget = widget;
+  priv = accessible->priv;
+
+  if (priv->widget == widget)
+    return;
+
+  priv->widget = widget;
 
   g_object_notify (G_OBJECT (accessible), "widget");
 }