patch applied (hackage-server): "Fix memory usage while mirroring"

[devnull at community.haskell.org]

Thu Aug  2 00:37:38 BST 2012  Ian Lynagh <ian at well-typed.com>
  * Fix memory usage while mirroring
  Ignore-this: 9faf4be0f646da02f2ac1a059488fd99
  
  We were extracting the .cabal file from the .tar file, but the
  ByteString for the .cabal file was a portion of the ByteString for
  the .tar file, so the whole .tar file was being kept in memory.

    M ./Distribution/Server/Packages/Unpack.hs -1 +6