patch applied (cabal-install): Use exitFailure rather than exitWith (ExitFailure 1)

[Duncan Coutts]

Thu Feb 21 16:03:23 PST 2008  Duncan Coutts <duncan at haskell.org>
  * Use exitFailure rather than exitWith (ExitFailure 1)
  and instead of exitWith ExitSuccess just return through main rather than
  throwing an exception

    M ./Main.hs -5 +3

View patch online:

  http://darcs.haskell.org/cabal-install/_darcs/patches/20080222000323-adfee-6b8a487f4349109f08f5bd14acfa4087384f7618.gz