Changed geometry and vertex_vector2 back to inherit from boost::noncopyable. Thought that Karma would require them to be copyable.

include/mapnik/geometry.hpp

@@ -42,7 +42,7 @@ enum GeomType {
 };
     
 template <typename T>
-class geometry //: private boost::noncopyable
+class geometry : private boost::noncopyable
 {   
 public:
     typedef T vertex_type;

include/mapnik/vertex_vector.hpp

@@ -140,7 +140,7 @@ private:
 };
 
 template <typename T>
-struct vertex_vector2 //: boost::noncopyable
+struct vertex_vector2 : boost::noncopyable
 {
     typedef typename T::type value_type;
     typedef boost::tuple<value_type,value_type,char> vertex_type;