patch applied (cabal-install): Put explicit lower bound on version of base

[Duncan Coutts]

Sat Nov 22 08:31:51 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Put explicit lower bound on version of base
  It does not build with ghc-6.4.2, missing Functor instance for Either.

    M ./cabal-install.cabal -2 +3

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20081122163151-adfee-d2492a250d085eac9dcf7e6f53554407b63ea128.gz