Added guard to prevent VS7 builds using the #defines for cosf etc.
Added guard to prevent VS7 builds using the #defines for cosf etc.


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