From Romano Magacho, fix for compile problem under IRIX.
From Romano Magacho, fix for compile problem under IRIX.


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