Git commits in Moodle 3.9.0 by Farhan Karmali

commit caf5ebb582400897ea6bd8cf232a4f043f9adb37
Author: Farhan Karmali <farhan6318@gmail.com>
Date:   Mon, 24 Feb 2020 16:17:14 +0800
Tag:    v3.9.0-beta

MDL-67024 Lib: Check if user->mnethostid is set before using it