Updated mediawiki/extensions
Project: mediawiki/extensions/DonationInterface  9ec2d4938a48199d87d7492be0c6a2e2f59e8de5

Address warning in GatewayFormChooser
Kill an old unused variable, and move filter for "special" type to top
of form selection loop in getAllValidForms.

Change-Id: Ibf3f855810fb397ab7917db5b500b89fb25acfef