Developer credits
Git commits in Moodle 3.0.9 by David Mudrák
commit c4fabc91e1986f363e013bd392f622e7474029d8 Author: David Mudrák <david@moodle.com> Date: Wed, 18 Jan 2017 02:27:57 +0800 Tag: v3.0.9 MDL-57677 mod_forum: Fix wrong user displayed as the last post's author