patch applied (cabal-install): Tidy up the unpack code

[Duncan Coutts]

Wed Dec 10 14:36:33 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Tidy up the unpack code
  Also fix a bug for tar files that contain entries for files
  without preceding entries for the directories they are in.

    M ./Distribution/Client/Tar.hs -15 +23

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20081210223633-adfee-a2d994a16fdebacf0f9b88f74692cebca4e6a56e.gz