patch applied (cabal-install): Use updated tar code

[Duncan Coutts]

Sun Aug 24 11:05:01 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Use updated tar code
  Much more robust. Correctly detects trucated archives.

    M ./Distribution/Client/IndexUtils.hs -23 +34
    M ./Distribution/Client/Tar.hs -300 +635

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080824180501-adfee-26b4231209aa0707a9196e55ce85deb8be5c0e74.gz