Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  d75a2bdda9e4c8da391ec9bb644ec03005b6aa96

Don't throw fatals for non-existant usernames

An IP address as a username will return False
Bug: 56822

Change-Id: Ibec088fed1fbd164f40bf48aa3d65714a73dd7a1