Git commits in Moodle 2.5.5 by Simon Coggins

commit 821746c2c00b842d5d4544768bc5cbd59504a48b
Author: Simon Coggins <simon.coggins@totaralms.com>
Date:   Mon, 25 Nov 2013 15:08:36 +0800
Tag:    v2.5.5

MDL-43049 accesslib: Fix typo in memory optimization code