Git commits in Moodle 3.4.3 by Huong Nguyen

commit 97e80192615e790c96957a342a901c2a2a3319a6
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Fri, 23 Feb 2018 17:20:19 +0800
Tag:    v3.4.3

MDL-61525 Groups: Index page error on first time visit