Git commits in Moodle 2.3.x by Aaron Barnes

commit 3a15a7519c5aa4d7d65252de87267c3c21a76c6f
Author: Aaron Barnes <aaron@io.net.nz>
Date:   Thu, 18 Oct 2012 19:13:40 +0800
Tag:    v2.3.3

MDL-36107 scorm: Fix non-static method call