Don't hide the entire applet when user switching is locked down, just hide
    
    2008-08-20  William Jon McCann  <jmccann@redhat.com>
    
    	* gui/user-switch-applet/applet.c (menuitem_destroy_cb),
    	(create_sub_menu), (destroy_sub_menu), (set_menu_visibility),
    	(client_notify_lockdown_func), (fill_applet):
    	Don't hide the entire applet when user switching is locked down,
    	just hide the submenu.
    
    
    svn path=/trunk/; revision=6402