Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  315014dacaf12e4e4e1a5d631efe72f680de413d

Fix close topic

Since the coming of topic namespaces, the page should be Topic:<topic id>
instead of the owner title (which is the board page)

Change-Id: Ied994b553ed181867ba3a39a57b21ba1f20a1a7e