Added check for validity of OpenFlight shininess value.
Added check for validity of OpenFlight shininess value.


git-svn-id: aa838dfc23441284dd616281de4245daec5d2135@14998 16af8721-9629-0410-8352-f15c8da7e697

tomasthoresen/osg,jtorresfabra/osg,jtorresfabra/osg,openscenegraph/osg,openscenegraph/osg,scrawl/osg,tomasthoresen/osg,artoolkit/osg,jtorresfabra/osg,jtorresfabra/osg,marchelbling/osg,artoolkit/osg,marchelbling/osg,tomasthoresen/osg,marchelbling/osg,marchelbling/osg,artoolkit/osg,artoolkit/osg,scrawl/osg,openscenegraph/osg,tomasthoresen/osg,openscenegraph/osg,scrawl/osg,scrawl/osg