Updated mediawiki/extensions
Project: mediawiki/extensions/MultimediaViewer  8607a81e79cb869f3db9325b2c98c95f3ff3541f

Fix over reported use-this-file-close event

Merely opening media viewer would trigger it.

Change-Id: I62f4685b821aace3d6323c511d5ad889c1745c4b
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/889