Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  9d129b61bda8b118e7f587efe674357292dadae1

Don't fail if there is not history (e.g. everything is moderated)

Change-Id: I2f86b8c278912597f36c5019cf5fad23062fb58a
(cherry picked from commit 2495b4b8ed3c9bf06a651ec9b68181557403bcb7)