Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  c85832a26955ed60d60b3a80feeb663d5a22e4c6
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Improving inputAutoExpand jQuery plugin's compatibility

Checking for isNaN() preventing an error from being caused in IE8.

Change-Id: I949686dad8fcda5bb10078f9627d26cf94e525d0