Changes to ghc

Changes to ghc:
commit a924debcbb3dc5c004f988fcc1b480a01ba276dd
Author: Gabor Greif <ggreif@gmail.com>
Date:   Sun Jan 12 03:26:33 2014 +0100

    fix a mistyped label that caused a stray reference

    Richard, you may want to regenerate the PDF
    as I get

    ! LaTeX Error: File `stmaryrd.sty' not found.

    with my setup and do not want to mess things up.

    Also for me ?? appear twice on top of the page 13
    and I have tp 'rm core-spec.pdf; make' to get it
    right.