Changes to ghc

Changes to ghc:
commit 8f8bd88ce654828fef44378c3a4732d6941b9596
Author: Kyrill Briantsev <kyrab@mail.ru>
Date:   Mon Jan 27 17:23:45 2014 -0600

    Fix the Win64 RTS linker & disable .ctors

    This fixes #7134

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