Fixed build under gcc 4.3.2
Fixed build under gcc 4.3.2


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