Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  116393714f282d5770c6017538d3d06f25f76ad3

MWException is part of the EntityContent::getEntity interface

It is, isn't it? Even if not all types implement redirects,
if they do they must throw that exception.

Change-Id: Id8b55798da3260975049f44a54ec4820f5b39ca5