Fixed debug build compile problem 
Fixed debug build compile problem 


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