Updated mediawiki/extensions
Project: mediawiki/extensions/Wikibase  9c12cded57772949686c2c8c95504cca46b4dbfd

Converted $.each() to plain for() loop in GuidGenerator

$.each() on strings fails in jQuery 1.9.

Change-Id: I71a7a0d6a861da3a262c8b0485ad7c2e6bf857b7