From Robert Osfield, add check to only apply Options object when a valid Option object is assigned. git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14290 16af8721-9629-0410-8352-f15c8da7e697
From Robert Osfield, add check to only apply Options object when a valid Option object is assigned. git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14290 16af8721-9629-0410-8352-f15c8da7e697