From b7b7ae199a5346ff132a64408f4aacf24e2aae18 Mon Sep 17 00:00:00 2001
From: arvidn <arvid@libtorrent.org>
Date: Tue, 19 Jan 2016 01:19:16 -0500
Subject: [PATCH] fix msvc build

---
 include/libtorrent/udp_socket.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/libtorrent/udp_socket.hpp b/include/libtorrent/udp_socket.hpp
index 1b21cde01..675e95748 100644
--- a/include/libtorrent/udp_socket.hpp
+++ b/include/libtorrent/udp_socket.hpp
@@ -66,7 +66,7 @@ namespace libtorrent
 		~udp_socket_observer() {}
 	};
 
-	class udp_socket : single_threaded
+	class TORRENT_EXTRA_EXPORT udp_socket : single_threaded
 	{
 	public:
 		udp_socket(io_service& ios);