Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  7d364994c7f30571269cbe43733db82b4aeb368e

(bug 50478) Filter langlinks by site group.

LangLinkHandler should not put links to other site groups
into the sidebar.

Change-Id: Icfd832ac4a36c463eecee021fce4ce59bf664c8b