Changes to ghc

Changes to ghc:
commit 0567a3133bfd3f2085d2fc0211e91eaed96a3e83
Author: Austin Seipp <austin@well-typed.com>
Date:   Fri Jul 4 09:40:25 2014 -0500

    Fix windows breakage (fallout from 34f7e9a3c998)

    Signed-off-by: Austin Seipp <austin@well-typed.com>