Changes to ghc

Changes to ghc:
commit 9833090e011cd560fe04c1f034b66beadbce7794
Author: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
Date:   Wed Jun 25 15:25:37 2014 +0200

    Fix few Haddock parser brainfarts

    Updates submodule