Git commits in Moodle 3.2.x by liorgi

commit 68873d48be547a1ddf7401647e4fc1a84312bfa2
Author: liorgi <liorgi@openu.ac.il>
Date:   Tue, 03 May 2016 21:30:58 +0800
Tag:    v3.2.0-beta

MDL-54036 mod_forum: Remove unused variable in forum_print_posts_flat