Git commits in Moodle 3.6.x by David Bogner

commit 352ddf9d4233083d6850d0ebe32fdaee693ff591
Author: David Bogner <davidbogner@gmail.com>
Date:   Fri, 21 Dec 2018 22:48:51 +0800
Tag:    v3.6.2

MDL-57636 frontpage: Fix display enrolled courses