Git commits in Moodle 3.6.5 by Dmitrii Metelkin

commit 131da110557828b6e072a27d5e390cd33a080eec
Author: Dmitrii Metelkin <dmitriim@catalyst-au.net>
Date:   Tue, 28 May 2019 08:46:26 +0800
Tag:    v3.6.5

MDL-65326 backup: check caps exist before assigning