From Paul Palumbo, "Fixes a typo in coverage antialiasing code... Without this fix, get incorrect antialiasing results. "
From Paul Palumbo, "Fixes a typo in coverage antialiasing code... Without this fix, get incorrect antialiasing results. "


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@8764 16af8721-9629-0410-8352-f15c8da7e697

joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg,joevandyk/osg