[SCRIPTS] Set PUBLICDIR in plugin scripts as well

plugins/Nodeinfo/scripts/fix_stats.php

@@ -24,7 +24,8 @@
  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
  */
 
-define('INSTALLDIR', dirname(dirname(dirname(__DIR__))));
+define('INSTALLDIR', dirname(__DIR__, 3));
+define('PUBLICDIR', INSTALLDIR . DIRECTORY_SEPARATOR . 'public');
 
 if (!defined('NODEINFO_UPGRADE')) {
     $longoptions = ['type='];