Changes to ghc(2)

Changes to ghc:
commit 2eb40eba2629e23a79671ff7dfafc7f37f750e22
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Sat Apr 19 14:41:00 2014 +0200

    Normalize GHC Trac URLs

    Update several old

      http://hackage.haskell.org/trac/ghc

    URLs references to the current

      http://ghc.haskell.org/trac/ghc

    URLs.

    Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

commit bd7b97328d9326fb3a425bc6d01bad8b03990ed4
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Sat Apr 19 14:39:29 2014 +0200

    Kill trailing whitespace in recently touched files

    Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>