add manager check

Author: Dmi3yy

manager/actions/category_mgr/inc/request_trigger.inc.php

@@ -2,6 +2,10 @@
 /**
  * Ajax Requests
  */
+if(IN_MANAGER_MODE != "true") {
+    die("<b>INCLUDE_ORDERING_ERROR</b><br /><br />Please use the MODX Content Manager instead of accessing this file directly.");
+}
+
 if( isset( $_REQUEST[$cm->get('request_key')]['ajax'] ) )
 {
     $_data  = $_REQUEST[$cm->get('request_key')];