Author: Charles Fulton
MDL-29129 wiki: fix a hardcoded string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8440c2c72c215316740752a48579c73c2ec988b9
http://github.com/moodle/moodle/commit/8440c2c72c215316740752a48579c73c2ec988b9
+ 2.2 en [pagename,mod_wiki]