Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  67b7a58ecdaf5a45725a5708aca0ab81edde48d5

Use cannonical url for IRC feed

So we don't end up with urls that start like:
 //en.wikipedia.beta.wmflabs.org/[...]
and aren't clickable in most clients.

Change-Id: Ia7b4a1ec8711afc4b5447e721b215d908b8349f8