Git commits in Moodle 3.2.6 by Matt Petro

commit 5b9fc0b69b519f6d3e05ea78e58c0f36819f2cfc
Author: Matt Petro <matt.petro@wisc.edu>
Date:   Thu, 14 Sep 2017 22:39:09 +0800
Tag:    v3.2.6

MDL-60121 enrol: Fix enrol plugin backup