File _servicedata of Package argon2

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/P-H-C/phc-winner-argon2.git</param>
    <param name="changesrevision">d3639142fa71f8095ee36e64068f71b3c97baf6d</param>
  </service>
</servicedata>