patch applied (ghc-6.12/packages/unix): fix base dependency: should be >= 4.2 (#3780), and bump verison to 2.4.0.1

[Ian Lynagh]

Wed Jan 13 03:38:03 PST 2010  Simon Marlow <marlowsd at gmail.com>
  * fix base dependency: should be >= 4.2 (#3780), and bump verison to 2.4.0.1

    M ./unix.cabal -2 +2

View patch online:
http://darcs.haskell.org/ghc-6.12/packages/unix/_darcs/patches/20100113113803-12142-a3b4b139fcad230cff5eada5368931038748afe1.gz