From c47d17b93bb944d98b236a3e3ecd63c5ec6283b2 Mon Sep 17 00:00:00 2001
From: Anthony Forth <a.j.forth@open.ac.uk>
Date: Wed, 12 Feb 2020 12:26:16 +0000
Subject: [PATCH] MDL-67945 enrol: missing $DB in edit_instance_form

---
 enrol/self/lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/enrol/self/lib.php b/enrol/self/lib.php
index 65b14403f77..f5beff88f19 100644
--- a/enrol/self/lib.php
+++ b/enrol/self/lib.php
@@ -716,7 +716,7 @@ class enrol_self_plugin extends enrol_plugin {
      * @return bool
      */
     public function edit_instance_form($instance, MoodleQuickForm $mform, $context) {
-        global $CFG;
+        global $CFG, $DB;
 
         // Merge these two settings to one value for the single selection element.
         if ($instance->notifyall and $instance->expirynotify) {