Git commits in Moodle 3.7.3 by Gareth Barnard

commit 5f2dd1bd503b7122f1776009bc2590028b04867c
Author: Gareth Barnard <1058419+gjb2048@users.noreply.github.com>
Date:   Sat, 21 Sep 2019 04:44:33 +0800
Tag:    v3.7.3

MDL-66656 format_social: Edit Summary Icon leads to 'File not found'.