patch applied (packages/directory): Make it build with nhc98 again.

[Malcolm Wallace]

Mon Nov 23 19:32:46 PST 2009  Malcolm.Wallace at cs.york.ac.uk
  * Make it build with nhc98 again.
  Recent changes use System.Posix or System.Win32, neither of which is
  available to nhc98.

    M ./System/Directory.hs -7 +11

View patch online:
http://darcs.haskell.org/packages/directory/_darcs/patches/20091124033246-6871e-a0d6c92b812676777824c6340071c010f81f8316.gz