Author: Sam Hemelryk
MDL-25290 cache: Fixed things up per coding style
http://git.moodle.org/gw?p=moodle.git;a=commit;h=170f821b9dd263c5fa1484548763239e6c7eaf4c
http://github.com/moodle/moodle/commit/170f821b9dd263c5fa1484548763239e6c7eaf4c
+ 2.4 en [purgestoresuccess,cache]