Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  afd61f5984b506ac57fce1f932c74f4fa4cb7334

Fixed event handler management in wikibase.client.linkitem.init

When closing the dialog, all event handlers are removed from the link item link now,
preventing the "close" handler from being called multiple times when opening/closing
the dialog multiple times.

Change-Id: I7450a9548e8e01c0f6661ddab1770ba0a8896d3e