Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  d9b0b39761d72b18702b72ad63c441bca140d546

Hygiene: Use tabs instead of spaces in en.json

Be consistent in all langauge files.

Change-Id: I072182c5ab960fe1294c9f2d22e74f13b43c1e0a