Git commits in Moodle 2.3.2 by Sun Zhigang

commit 7073fa4c4af8fdd5c68866f156a9f8c031f7f5a2
Author: Sun Zhigang <sunner@gmail.com>
Date:   Sat, 02 Jul 2011 18:41:26 +0800
Tag:    v2.3.2

MDL-28155 mod_assignment - Fix an ugly hack