Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  4837648f4cfd279ede04cf2c378a9775ae69d43e

Fix Header::create, which now needs to set ->userWiki because
of I439b102e9125c4e6aed988032a21d51b1079f93b

Change-Id: I50d990f6d0f0f87ee2f9e4c87346b06da4de2dfe