Menu: small fix

Author: tjvantoll

ui/menu.js

@@ -110,7 +110,8 @@ return $.widget( "ui.menu", {
 				var target = $( event.currentTarget );
 				// Remove ui-state-active class from siblings of the newly focused menu item
 				// to avoid a jump caused by adjacent elements both having a class with a border
-				target.siblings( ".ui-state-active" ).removeClass( "ui-state-active" );
+				target.siblings().children( ".ui-state-active" ).removeClass( "ui-state-active" );
+
 				this.focus( event, target );
 			},
 			mouseleave: "collapseAll",