Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  5e141527329694cf45dbcd4873d32da254588b61

export.php: wrong error for AggregateMessageGroups

The check for FileBasedMessageGroup was always triggered before
the check for ::isMeta(), so the latter check never matched.
Fixed by changing the order of the checks. Also fixed error
message wording to be correct after refactorings.

Change-Id: I7db87596b54705ef0bc61b7a6794a347407ea77d