Add free function to_address

test/Jamfile.v2

@@ -116,6 +116,7 @@ run pointer_traits_element_type_test.cpp ;
 run pointer_traits_difference_type_test.cpp ;
 run pointer_traits_rebind_test.cpp ;
 run pointer_traits_pointer_to_test.cpp ;
+run to_address_test.cpp ;
 
 use-project /boost/core/swap : ./swap ;
 build-project ./swap ;