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

Wed Dec 10 14:36:33 PST 2008 Duncan Coutts <duncan@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-a...