Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  f7180dc297b958a27920a88348db27104eaf10e5

Fix a stylesheet FIXME

Make clear in comment itself that this rule should be pushed
to stable and that the bug is no longer being caused.

Change-Id: I73916a980e8bf817a7fe32bb59efed52cd5ac305