Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  f39e3f364f1f0ba0aef51124b11131ec58c5d6cb

Check clipboardData exists before accessing it

Bug fix for browsers which don't have an event.clipboardData
property. The check is done correctly in onCopy but not onPaste.

Change-Id: I3cdf4c0358aa145dcb70c2c103d08a0002001fd4