Updated mediawiki/extensions
Project: mediawiki/extensions/CreditsSource  537e4d869bc785439cc3e56b5f89322654733d4f

Address i18n issue

Raised on https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Creditssource-source-work/ksh

Change-Id: I295a9bd23fe835762a6aa41e0d20ac26e86f591b