Export parser bases and serializer stream for Windows

Author: sentientsergio

include/boost/http_proto/parser.hpp

@@ -70,7 +70,7 @@ class static_response;
         @ref response_parser,
         @ref request_parser.
 */
-class parser
+class BOOST_HTTP_PROTO_DECL parser
 {
 public:
     struct config_base;
@@ -767,6 +767,7 @@ struct parser::config_base
         @ref request_parser.
 */
 
+BOOST_HTTP_PROTO_DECL
 void
 install_parser_service(
     capy::polystore& ctx,

include/boost/http_proto/request_base.hpp

@@ -24,7 +24,7 @@ namespace http_proto {
         @ref request,
         @ref static_request.
 */
-class request_base
+class BOOST_HTTP_PROTO_DECL request_base
     : public message_base
 {
     friend class request;

include/boost/http_proto/response_base.hpp

@@ -26,7 +26,7 @@ namespace http_proto {
         @ref response,
         @ref static_response.
 */
-class response_base
+class BOOST_HTTP_PROTO_DECL response_base
     : public message_base
 {
     friend class response;

include/boost/http_proto/serializer.hpp

@@ -663,6 +663,7 @@ struct serializer::config
         @ref serializer.
 */
 
+BOOST_HTTP_PROTO_DECL
 void
 install_serializer_service(
     capy::polystore& ctx,
@@ -691,7 +692,7 @@ install_serializer_service(
     @see
         @ref serializer::start_stream
 */
-class serializer::stream
+class BOOST_HTTP_PROTO_DECL serializer::stream
 {
 public:
     /** The type used to represent a sequence