More accurate fix for GtkTreeMenu regression.

The previous fix rebuilds the root menu unconditionally,
this one only rebuilds the root menu if the root path
has indeed changed.

https://bugzilla.gnome.org/show_bug.cgi?id=639792

diff --git a/gtk/gtktreemenu.c b/gtk/gtktreemenu.c
index a2f1290ca7c33cf5dd6ad651764ceff9b54dd7ab..25a01411203baf5edb32d32e5dcb460ed1528538 100644 (file)
--- a/gtk/gtktreemenu.c
+++ b/gtk/gtktreemenu.c
@@ -961,7 +961,7 @@ row_reordered_cb (GtkTreeModel    *model,
   GtkTreeMenuPrivate *priv = menu->priv;
   gboolean            this_menu = FALSE;
 
-  if (path == NULL || priv->root == NULL)
+  if (gtk_tree_path_get_depth (path) == 0 && !priv->root)
     this_menu = TRUE;
   else if (priv->root)
     {