Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  a977ff9b7982873040c1b4928013d0d312f9d8d7

Fix translation checks when using non-primary message groups

Instead of using the supplied message group, use the message
cache to find out the primary message group and use its checker.

Change-Id: I8c89c5b141d918b852c0c6ca74a5239533fe4015