moodle-mod_sloodle/sl_config.php

<?php
/*
This file has been replaced by the following files: 
 init.php - core settings that should be changed on upgrades.
 sloodle_config.php - customized settings that should survive upgrades.
Calling it is deprecated, but it has been left for backwards compatibility to ease upgrades.
*/
require_once(realpath(dirname(__FILE__) . "/" . "init.php"));
?>