[C++-sig] builtin_converters.hpp using outdated API on win64 builds

[Matthew Bradbury]

> I've made this change locally, and it seems to fix things. Does this
> seem like the correct fix? If so, how do I get a patch to the right
> people (or at least ask them to make this change)?
> 
> Austin
> 


There is a ticket in boost for this
(https://svn.boost.org/trac/boost/ticket/4627) where you can submit patches.