Changes to ghc base

Changes to ghc:
commit 47d725f29376fa1be726e913cdf3dd69c46327c2
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Wed Feb 19 23:26:30 2014 +0100

    Update to primitive-0.5.2.1

    This contains a compile-fix for Solaris

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

Changes to base:
commit b5105a796357b9293698c06e036ae697a83d69bd
Author: Gabor Greif <ggreif@gmail.com>
Date:   Wed Feb 19 23:22:04 2014 +0100

    Minor typo in comment