[PATCH] fix boost-1.69 build of twister/libtorrent (thanks lxoliva)

libtorrent/include/libtorrent/kademlia/observer.hpp

@@ -37,6 +37,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <boost/detail/atomic_count.hpp>
 #include <boost/intrusive_ptr.hpp>
 #include <boost/cstdint.hpp>
+#include <boost/noncopyable.hpp>
 #include <libtorrent/ptime.hpp>
 #include <libtorrent/address.hpp>
 

libtorrent/include/libtorrent/proxy_base.hpp

@@ -33,6 +33,8 @@ POSSIBILITY OF SUCH DAMAGE.
 #ifndef TORRENT_PROXY_BASE_HPP_INCLUDED
 #define TORRENT_PROXY_BASE_HPP_INCLUDED
 
+#include <boost/noncopyable.hpp>
+
 #include "libtorrent/io.hpp"
 #include "libtorrent/io_service_fwd.hpp"
 #include "libtorrent/socket.hpp"