Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  b4545c8bcbf97b1f38ab8d1c8ce8c2971688be91

Regression: Fix font size for search input

Due to some refactoring in Resources.php, the rule added to input.search
in 7c69bd8a in ui.less became less important and is no longer applied
which makes the search input font huge.

Change-Id: I4e8348ee7712780f6c710213ea2c6278bce06f1b