From d2705248554bf95faa4a5621aa14e42c42606b3d Mon Sep 17 00:00:00 2001
From: Jerome Mouneyrac <jerome@mouneyrac.com>
Date: Tue, 7 May 2013 14:55:55 +0800
Subject: [PATCH] MDL-37552 external_format_text: missing require_once
 filelib.php (shared credits to Adam Fredericks for report and patch proposal)

---
 lib/externallib.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/externallib.php b/lib/externallib.php
index da21ace392e..d458d1151b8 100644
--- a/lib/externallib.php
+++ b/lib/externallib.php
@@ -687,6 +687,7 @@ function external_format_text($text, $textformat, $contextid, $component, $filea
     $settings = external_settings::get_instance();
 
     if ($settings->get_fileurl()) {
+        require_once($CFG->libdir . "/filelib.php");
         $text = file_rewrite_pluginfile_urls($text, $settings->get_file(), $contextid, $component, $filearea, $itemid);
     }