Git commits in Moodle 3.9.2 by Sergio Comerón

commit 455e7f50d816c20da96f07b56015ac64df529434
Author: Sergio Comerón <sergiocomeron@icloud.com>
Date:   Tue, 14 Jul 2020 00:23:03 +0800
Tag:    v3.9.2

MDL-66755 forum: Subscription cancel when edit a message