Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  65877777f35c515c7a6317fb3fbeee15929b12d6

Repair per-post topic history

Refactors in the topic moderation patch broke per-post topic history,
this brings back fixes most likely lost in a rebase.

Change-Id: Ice4a3a23b642ec527ee55edb5c937ac48fad13e6