patch applied (cabal-install): Fixed imports to correspond to the latest arrangement of Distribution.PackageDescription.

Sat Feb 9 23:07:30 PST 2008 phigley@gmail.com * Fixed imports to correspond to the latest arrangement of Distribution.PackageDescription. M ./Hackage/Config.hs -1 +1 M ./Hackage/Dependency.hs -2 +3 M ./Hackage/Install.hs -1 +1 M ./Hackage/RepoIndex.hs -1 +1 M ./Main.hs -2 +1