Fixed building issues on windows with msvc-8.0

Jamfile

@@ -123,8 +123,6 @@ else
 	SOURCES += file ;
 }
 
-lib openssl_lib : : <name>crypto ;
-
 project torrent
 
 	: requirements
@@ -181,6 +179,6 @@ lib torrent
 	<dht-support>on:<source>src/$(KADEMLIA_SOURCES).cpp
 	<dht-support>logging:<source>src/$(KADEMLIA_SOURCES).cpp
 	<openssl>off:<source>src/sha1.cpp
-	<openssl>on:<library>openssl_lib
+	<openssl>on:<library>crypto
 	;
 

include/libtorrent/ip_filter.hpp

@@ -75,7 +75,7 @@ namespace detail
 	// a filter for a specific address type.
 	// it works with IPv4 and IPv6
 	template<class Addr>
-	class filter_impl
+	class TORRENT_EXPORT filter_impl
 	{
 	public:
 

src/natpmp.cpp

@@ -135,7 +135,7 @@ catch (std::exception& e)
 	m_log << msg.str() << std::endl;
 #endif
 	m_callback(0, 0, msg.str());
-}
+};
 
 void natpmp::set_mappings(int tcp, int udp)
 {
@@ -200,7 +200,7 @@ void natpmp::send_map_request(int i) try
 catch (std::exception& e)
 {
 	std::string err = e.what();
-}
+};
 
 void natpmp::resend_request(int i, asio::error_code const& e)
 {

src/upnp.cpp

@@ -144,7 +144,7 @@ catch (std::exception& e)
 	std::stringstream msg;
 	msg << "UPnP portmapping disabled: " << e.what();
 	m_callback(0, 0, msg.str());
-}
+};
 
 void upnp::discover_device()
 {