accessible: Check the widgeyt actually changed when setting

diff --git a/gtk/gtkaccessible.c b/gtk/gtkaccessible.c
index 3eebc6b8c3a85412c3826bc140c53d6a38f3a24e..ebb9e3478b51163ba829ae8eeab31f6e9b8b5ea0 100644 (file)
--- 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");
 }