Updated mediawiki/extensions
Project: mediawiki/extensions/ZeroRatedMobileAccess  2d528e8226bc88bc741fc44afe6f58e3e520aa78

Prevent against future badly behaving userCan hook implementations.

* Current version works.
* This is to defend against potential mis-programmed userCan hook delegates.

Change-Id: If1d85004629db0c9a94821b41c99bd430d268339