Fixes for Win32 build.
Fixes for Win32 build.


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