$NetBSD$

Fix C++ error.

--- src/ai/composite/aspect.hpp.orig	2011-02-24 12:25:20.000000000 +0000
+++ src/ai/composite/aspect.hpp
@@ -282,7 +282,7 @@ public:
 		boost::function2<void, typename aspect_type<T>::typesafe_ptr_vector&, const config&> factory_facets =
                         boost::bind(&ai::composite_aspect<T>::create_facet,*this,_1,_2);
 
-                register_vector_property("facet",facets_, factory_facets);
+                this->register_vector_property("facet",facets_, factory_facets);
 
 	}
 
