Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  8aa618c36b2153509d120fb9f12c9271d39d7141

Regression: Make username link to user page again

This is a regression introduced by I0db215d43bbf39c089c6bb9349612a50204d9e6c
and picked up by the browser tests.

Change-Id: Ie4c0f962967de97419abbd1e4b9341a52cbcfacc