Wikia/app — pull request #1242 by macbre (2013-08-02 14:32:24+00:00)
Title: BAC-582: Special:Upload: Unable to load file in IE10

Apply a fix from Mediawiki 1.20

https://github.com/wikimedia/mediawiki-core/commit/8b73ea5f8ebe5e6da5d5e5f58363ad55cf2935aa