From Colin McDonald, fix for Solaris build.
From Colin McDonald, fix for Solaris build.


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