patch applied (cabal-install): Fix #490, unpack now gives a proper error message.

Sun Feb 8 08:52:40 PST 2009 Andrea Vezzosi <sanzhiyan@gmail.com> * Fix #490, unpack now gives a proper error message. Ignore-this: 358dd291624f8858a52ae2ff27a7e0c2 M ./Distribution/Client/Unpack.hs -12 +24 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20090208165240-cd449-d...