chore: any_buffers are value types

Author: vinniefalco

include/boost/buffers.hpp

@@ -10,16 +10,22 @@
 #ifndef BOOST_BUFFERS_HPP
 #define BOOST_BUFFERS_HPP
 
+#include <boost/buffers/any_buffers.hpp>
+#include <boost/buffers/any_read_source.hpp>
 #include <boost/buffers/buffer.hpp>
 #include <boost/buffers/buffer_pair.hpp>
 #include <boost/buffers/circular_buffer.hpp>
 #include <boost/buffers/copy.hpp>
+#include <boost/buffers/data_source.hpp>
 #include <boost/buffers/dynamic_buffer.hpp>
+#include <boost/buffers/error.hpp>
 #include <boost/buffers/flat_buffer.hpp>
 #include <boost/buffers/front.hpp>
 #include <boost/buffers/make_buffer.hpp>
 #include <boost/buffers/range.hpp>
+#include <boost/buffers/read_source.hpp>
 #include <boost/buffers/slice.hpp>
 #include <boost/buffers/string_buffer.hpp>
+#include <boost/buffers/to_string.hpp>
 
 #endif