Trying to create a portfile patch test repository

[Ryan Schmidt]

On Jan 1, 2015, at 10:28 PM, William H. Magill wrote:
> 
> -master_sites        http://download.wikimedia.org/mediawiki/${branch}/
> +master_sites        http://releases.wikimedia.org/mediawiki/1.24/mediawiki-12.4.1.tar.gz

Revert this change. It was correct before.