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

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

include/osg/Texture

@@ -274,7 +274,7 @@ class SG_EXPORT Texture : public StateAttribute
         {
             // pad out handle list if required.
             if (_handleList.size()<=contextID)
-                _handleList.resize(contextID,0);
+                _handleList.resize(contextID+1,0);
 
             // get the globj for the current contextID.
             return _handleList[contextID];