Changed WIN32 guard to _WIN32_IMPLEMENTATION to attempt to avoid Win32 build error
Changed WIN32 guard to _WIN32_IMPLEMENTATION to attempt to avoid Win32 build error


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