Changes to ghc

Changes to ghc:
commit aed1723f97e0539d5ab35222b180c1552a5f4cfc
Author: Austin Seipp <austin@well-typed.com>
Date:   Mon Jun 30 07:44:31 2014 -0500

    Revert "Fix obscure problem with using the system linker (#8935)"

    This reverts commit 2f8b4c9330b455d4cb31c186c747a7db12a69251.

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