Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  29a77172cce93dc9dadd33a26f39f460c9df10b2

Ensure event logging works with wikigrok

Add missing dependency
Fixes QUnit errors when wikigrok enabled.

Change-Id: I9a47cc84cef206b5a3e27d141fdf7a1a8eded2a3