Fixed leak when open returns 0
Fixed leak when open returns 0

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