Remove stray 'lear' from settings callback

settings_callbacks.php

@@ -1,4 +1,4 @@
-lear<?php
+<?php
 // This file is part of Moodle - http://moodle.org/
 //
 // Moodle is free software: you can redistribute it and/or modify
@@ -35,13 +35,14 @@ lear<?php
  * 
  * @uses $CFG
  */
-function enrol_iserv_settings_courses_category_name_updated ($value = "") {
+function enrol_iserv_settings_courses_category_name_updated($value = "")
+{
 	global $CFG;
 
-    require_once "{$CFG -> dirroot}/enrol/iserv/lib.php";
+	require_once "{$CFG->dirroot}/enrol/iserv/lib.php";
 
 	$enrol = enrol_get_plugin('iserv');
-    $enrol -> rename_courses_category (
+	$enrol->rename_courses_category(
-        get_config ('enrol_iserv') -> courses_category
+		get_config('enrol_iserv')->courses_category
 	);
 }