Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  d70c8842608bae15e4d0cd3c78a91bec8654abf9

(bug 49417) Skip changes in client change handling that with unknown data type

(see stack trace and bug report)

Change-Id: Ida64d89b8f44cc862c17558294cea2f1f3d1ecde