Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  57a77ea8b39ea84166beb6cd7e9c556cc390d436

Dont include empty result for moderated revisions part duex

Continues I3a505ff17869197eb42c99101e602e3c60c6f629 applying same
fix to other locations.

Change-Id: If30d4ce8a3ebc07466b1d0487632cf8d4d8d0608