patch applied (cabal-install): Make InstalledPackage an instance of PackageFixedDeps

[Duncan Coutts]

Sat Oct  4 18:27:41 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Make InstalledPackage an instance of PackageFixedDeps

    M ./Distribution/Client/Dependency/TopDown/Types.hs -1 +5

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20081005012741-adfee-e4844e7c957d05366ecceb36b590ec7f32dc6f98.gz