Updated mediawiki/extensions
Project: mediawiki/extensions/LiquidThreads  871d10305c80fa43937160f8f55584e852f4ac8b

Avoid fatal errors in api

PHP Fatal error:  Call to a member function getPrefixedText() on a non-object

Change-Id: I1e7fe7df9e3e81fbd4c687abaae6ca027f55f0c7