Fix function signature error

src/system/papaya_boxeslinks.php

@@ -1,21 +1,17 @@
 <?php
 /**
-* Link Box with preview page
-*
-* @copyright 2002-2007 by papaya Software GmbH - All rights reserved.
-* @link http://www.papaya-cms.com/
-* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License, version 2
-*
-* You can redistribute and/or modify this script under the terms of the GNU General Public
-* License (GPL) version 2, provided that the copyright and license notes, including these
-* lines, remain unmodified. papaya is distributed in the hope that it will be useful, but
-* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-* FOR A PARTICULAR PURPOSE.
-*
-* @package Papaya
-* @subpackage Core
-* @version $Id: papaya_boxeslinks.php 39732 2014-04-08 15:34:45Z weinert $
-*/
+ * papaya CMS
+ *
+ * @copyright 2000-2018 by papayaCMS project - All rights reserved.
+ * @link http://www.papaya-cms.com/
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU General Public License, version 2
+ *
+ *  You can redistribute and/or modify this script under the terms of the GNU General Public
+ *  License (GPL) version 2, provided that the copyright and license notes, including these
+ *  lines, remain unmodified. papaya is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ *  FOR A PARTICULAR PURPOSE.
+ */
 
 /**
 * Link Box with page
@@ -138,14 +134,15 @@ function loadBoxList() {
   }
 
   /**
-  * Load data list
-  *
-  * @param integer $lngId
-  * @param integer $viewModeId
-  * @access public
-  * @return boolean
-  */
-  function loadDataList($lngId, $viewModeId) {
+   * Load data list
+   *
+   * @param integer $lngId
+   * @param integer $viewModeId
+   * @param null $now
+   * @return boolean
+   * @access public
+   */
+  function loadDataList($lngId, $viewModeId, $now = NULL) {
     $this->data = array();
     if ($viewModeId > 0) {
       $sql = "SELECT bl.topic_id, bl.box_id, bl.box_sort,