Added conversion to osg::GeoSet::converToGeometry() utility to help the

migration to and testing of the new osg::Geometry class.

include/osg/GeoSet

@@ -12,6 +12,10 @@
 
 namespace osg {
 
+
+// forward declare so that we don't need to include the header.
+class Geometry;
+
 /** Encapsulates OpenGL drawing primitives, geometry and
     optional binding of normal, color and texture coordinates.  Used
     for representing the visible objects in the scene.  State attributes
@@ -334,6 +338,9 @@ class SG_EXPORT GeoSet : public Drawable
         virtual AttributeBitMask applyAttributeOperation(AttributeFunctor& auf);
 
 
+        /** convinience function for converting GeoSet's to equivilant Geometry nodes.*/
+        Geometry* convertToGeometry();
+
 
     protected: