Missing filter field

htdocs/user/index.php

 <?php
 /* Copyright (C) 2002-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2004-2016 Laurent Destailleur  <eldy@users.sourceforge.net>
+ * Copyright (C) 2004-2017 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2017 Regis Houssin        <regis.houssin@capnetworks.com>
  * Copyright (C) 2015      Alexandre Spangaro   <aspangaro.dolibarr@gmail.com>
  * Copyright (C) 2016      Marcos García        <marcosgdf@gmail.com>
@@ -204,7 +204,7 @@ else
 }
 if ($socid > 0) $sql.= " AND u.fk_soc = ".$socid;
 //if ($search_user != '')       $sql.=natural_search(array('u.login', 'u.lastname', 'u.firstname'), $search_user);
-if ($search_supervisor > 0)   $sql.= " AND u.fk_user = ".$db->escape($search_supervisor);
+if ($search_supervisor > 0)   $sql.= " AND u.fk_user IN (".$db->escape($search_supervisor).")";
 if ($search_thirdparty != '') $sql.= natural_search(array('s.nom'), $search_thirdparty);
 if ($search_login != '')      $sql.= natural_search("u.login", $search_login);
 if ($search_lastname != '')   $sql.= natural_search("u.lastname", $search_lastname);
@@ -360,9 +360,12 @@ if (! empty($arrayfields['u.entity']['checked']))
 {
     print '<td class="liste_titre"></td>';
 }
+// Supervisor
 if (! empty($arrayfields['u.fk_user']['checked']))
 {
-    print '<td class="liste_titre"></td>';
+    print '<td class="liste_titre">';
+    print $form->select_dolusers($search_supervisor, 'search_supervisor', 1, array(), 0, '', 0, 0, 0, 0, '', 0, '', 'maxwidth200');
+    print '</td>';
 }
 if (! empty($arrayfields['u.datelastlogin']['checked']))
 {