[gnome-panel] panel-menu-bar: fix warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit f5b73804634da12554474f7cb6077978f35a4d06
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Oct 28 22:20:21 2014 +0200

    panel-menu-bar: fix warning

 gnome-panel/panel-menu-bar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-panel/panel-menu-bar.c b/gnome-panel/panel-menu-bar.c
index 0434a62..3082ea6 100644
--- a/gnome-panel/panel-menu-bar.c
+++ b/gnome-panel/panel-menu-bar.c
@@ -225,7 +225,7 @@ panel_menu_bar_load (PanelWidget *panel,
                                           panel_lockdown_get_not_panels_locked_down_s);
        }
 
-       panel_menu_bar_style_updated (menubar);
+       panel_menu_bar_style_updated (GTK_WIDGET (menubar));
 
        panel_menu_bar_object_object_load_finish (PANEL_MENU_BAR_OBJECT (menubar),
                                                  panel);