File _servicedata of Package libleveldb

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/bitcoin-core/leveldb.git</param>
    <param name="changesrevision">a53934a3ae1244679f812d998a4f16f2c7f309a6</param>
  </service>
</servicedata>