Add use statement for UpdateSet in UserUtils

Author: s3inlc

src/inc/utils/UserUtils.class.php

@@ -1,5 +1,6 @@
 <?php
 
+use DBA\UpdateSet;
 use DBA\User;
 use DBA\QueryFilter;
 use DBA\AccessGroupUser;
@@ -237,4 +238,4 @@ public static function getUser($userId) {
     }
     return $user;
   }
-}
+}