Git commits in Moodle 2.4.6 by Andreas Grabs

commit 60c61daebe74ed2ec77fea4f2d134c4cfc8730f8
Author: Andreas Grabs <moodle@grabs-edv.de>
Date:   Tue, 23 Jul 2013 03:16:00 +0800
Tag:    v2.4.6

MDL-40775 mod_feedback - Undefined variable  in feedback activity