Changes to ghc

Changes to ghc:
commit afb42a54bc0c5cd0dfb69750d3b5e76bcb66ff5a
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Mon Mar 3 09:25:45 2014 +0100

    Update time to 1.4.2 release

    Note: The only visible change in `time-1.4.2` is at the SafeHaskell level

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