Author: Rajesh Taneja
MDL-40058 mod_wiki: Replaced add_to_log for version restored with event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=31383bcdadfcd3246765e86e985f95a3cffe7f07
http://github.com/moodle/moodle/commit/31383bcdadfcd3246765e86e985f95a3cffe7f07
+ 2.7 en [eventversionrestored,mod_wiki]