Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  c51b59952d2391c3defeabece3cc1459b84cf310

Fix structure suite

The "mobile.site" and "mobile.usermodule" RL modules don't have the
"desktop" target while the modules that use them do, which causes the
structure test suite to fail.

Change-Id: Ifce458e31ad794750f7ba2719e1ef6a61836b44a