Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  ef9eafecde4e4b3efc663fcd9e364fadba628b7d

BufferedCache merge() has invalid callback for BagOStuff

In merge(), the command is a closure, which is not a valid callback for BagOStuff

Change-Id: I9ca30d52194ad9b039989cb45d117515634b3d94