Changes to ghc-prim haddock

Changes to ghc-prim:
commit 64c571472b96c0e82c9aaac2abfef5c292471dc2
Author: Joachim Breitner <mail@joachim-breitner.de>
Date:   Thu Jan 30 16:15:36 2014 +0000

    Comment typo

Changes to haddock:
commit ec8e6fe304c99377eaafbfd9fa4a07583eb0088c
Author: Dr. ERDI Gergo <gergo@erdi.hu>
Date:   Thu Jan 30 23:42:09 2014 +0800

    <+>: Don't insert a space when concatenating empty nodes