Fixes for MING build
Fixes for MING build


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