darcs patch: cabal-install: fix ambiguous foldr (and 2 more)

Fix build failure against ghc-7.4.-r1 3 patches for repository http://darcs.haskell.org/cabal-branches/cabal-1.14: Tue Dec 27 20:58:36 FET 2011 Sergei Trofimovich * cabal-install: fix ambiguous foldr Tue Dec 27 20:59:59 FET 2011 Sergei Trofimovich * cabal-install: fix ambiguous foldr Tue Dec 27 21:00:26 FET 2011 Sergei Trofimovich * cabal-install: allow ghc-7.4-rc1 and Cabal-1.14 Thanks! P.S.: Repo lacks default destination email address. Worth adding.