Updated mediawiki/extensions
Project: mediawiki/extensions/Interwiki  6d1de1a1e7959944ba4011d51c3a06c812b7353c

Put back interwiki-legend qqq string

It turns out _ and - are really easy to mix up.

Change-Id: I61f23cbcadfe9176d0d5ae4e44cfd5cf87733038