Updated mediawiki/extensions
Project: mediawiki/extensions/Translate  06331bfa1046e5ad4cdc4701a6784bd7080f7493

Fix group passing to export tab, when underscores are used

Might happen for translatable pages. Fixed by getting a fixed
id from MessageGroups::get.

Change-Id: I34c0ca6f7c9ab553935d963fe57fc5a6cdd1517c