Merge pull request #5888 from olsesacl/trigger_expedition

Fix: Need declare $user for call trigger

htdocs/expedition/class/expedition.class.php

@@ -1965,6 +1965,7 @@ class Expedition extends CommonObject
 	 */
 	function set_billed()
 	{
+	    global $user;
 		$error=0;
 		
 		$this->db->begin();