CVAR cleanups


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1540 b412e182-2ed4-4078-95c4-27dc59f57fa9
bvec4 cleanups


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1541 b412e182-2ed4-4078-95c4-27dc59f57fa9