Updated mediawiki/extensions
Project: mediawiki/extensions/Echo  b8e8228787299b1f7f933d65aa54ea5aa19faa31

Typo fix + conditional fix

bundleTitle['message'] defaults to empty string, it would never
be null, should just check if the string is empty

Change-Id: I6b9dd8b8a94fed114c0799004848daed472daf3a