Git commits in Moodle 3.8.x by Daniel Neis Araujo

commit 3cbec0b81ac0faed1b365461f41b258435de4d37
Author: Daniel Neis Araujo <danielneis@gmail.com>
Date:   Mon, 20 May 2019 23:44:05 +0800
Tag:    v3.8.0-beta

MDL-65654 tool_uploaduser: Fix undefined variable warning