patch applied (cabal-install): Update tar code based on new tar package

[Duncan Coutts]

Sun Mar  1 09:49:49 PST 2009  Duncan Coutts <duncan at haskell.org>
  * Update tar code based on new tar package

    M ./Distribution/Client/IndexUtils.hs -21 +23
    M ./Distribution/Client/Install.hs -4 +5
    M ./Distribution/Client/Tar.hs -347 +456
    M ./Distribution/Client/Unpack.hs -3 +3

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20090301174949-adfee-eea3af2b4ae5ce0c56270a45ee877108064aca50.gz