From Art Trevs, set the _geometryVerticesOut to default to 1 as a workaround for OpenGL driver bug that incorrectly reports a warning when value is 0.
From Art Trevs, set the _geometryVerticesOut to default to 1 as a workaround
for OpenGL driver bug that incorrectly reports a warning when value is 0.


git-svn-id: 23b6355f2bb369032457de4eb5f713ee134f73a8@8296 16af8721-9629-0410-8352-f15c8da7e697

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