Build fix for Win32
Build fix for Win32


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