madd/msub cleanups


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1534 b412e182-2ed4-4078-95c4-27dc59f57fa9
fix hashstring to use big-endian hex order


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1535 b412e182-2ed4-4078-95c4-27dc59f57fa9