[gnome-panel/gtk3] Fix sealed field children

[Germán Poó Caamaño <gpoo src gnome org>]

commit 20ae5529e1aa2c82775ec24a6533f5809759af8f
Author: Germán Póo-Caamaño <gpoo gnome org>
Date:   Wed Jan 5 22:24:39 2011 -0800

    Fix sealed field children
    
    Replaced iteration to destroy every menu children data
    (which used menu->children->data) by the use of a
    glist and gtk_container_get_children()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=627455
    
    Signed-off-by: Germán Póo-Caamaño <gpoo gnome org>

 gnome-panel/menu.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/gnome-panel/menu.c b/gnome-panel/menu.c
index f3c3c92..5b7f3a8 100644
--- a/gnome-panel/menu.c
+++ b/gnome-panel/menu.c
@@ -1589,9 +1589,13 @@ handle_gmenu_tree_changed (GMenuTree *tree,
 			   GtkWidget *menu)
 {
 	guint idle_id;
+	GList *list, *l;
 
-	while (GTK_MENU_SHELL (menu)->GSEAL(children))
-                gtk_widget_destroy (GTK_MENU_SHELL (menu)->GSEAL(children)->data);
+	/* Remove existing items */
+	list = gtk_container_get_children (GTK_CONTAINER (menu));
+	for (l = list; l; l = l->next)
+		gtk_widget_destroy (l->data);
+	g_list_free (list);
 
 	g_object_set_data_full (G_OBJECT (menu),
 				"panel-menu-tree-directory",