Fix: bad path the return

htdocs/holiday/admin/holiday.php

@@ -25,7 +25,7 @@
  *		\brief      Page module configuration paid holiday.
  */
 
-require '../main.inc.php';
+require '../../main.inc.php';
 require DOL_DOCUMENT_ROOT.'/holiday/class/holiday.class.php';
 require_once DOL_DOCUMENT_ROOT. '/core/class/html.form.class.php';
 require_once DOL_DOCUMENT_ROOT. '/user/class/user.class.php';