From Robert Milharcic, added missing OSGFX_EXPORT
From Robert Milharcic, added missing OSGFX_EXPORT


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