Changes to ghc(2)

Changes to ghc:
commit 50e4d40f88c3eee41384efacfd83f73305e2210d
Author: Joachim Breitner <mail@joachim-breitner.de>
Date:   Fri Jan 31 23:31:30 2014 +0000

    Individual sdist-foo targets

    so that one can build a source distribution without downloading the
    windows tarballs.

commit 71a412c2aaf798dad769d7d39f3914c15b34950a
Author: Joachim Breitner <mail@joachim-breitner.de>
Date:   Fri Jan 31 23:31:00 2014 +0000

    No need to remove testsuite/.git

    as there is no testsuite/.git any more.