Git commits in Moodle 3.7.x by Segun Babalola

commit 750ec445bdf22dde1739b4a076c37f3e3f26b206
Author: Segun Babalola <segun@sprynt.com>
Date:   Wed, 04 Sep 2019 19:26:11 +0800
Tag:    v3.7.2

MDL-66391 core_course: Fix to send correct Ajax parameter for userid