Author: Shamim Rezaie
MDL-68167 user: Fix a hardcoded string to be read from lang pack
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6fdfbc44f9dd48cba6a3c3798ba79ffa5bedaa98
http://github.com/moodle/moodle/commit/6fdfbc44f9dd48cba6a3c3798ba79ffa5bedaa98
+ 4.0 en [filtertype,core_user]