fixed typo in comment

include/libtorrent/http_stream.hpp

@@ -71,7 +71,7 @@ public:
 		// 4. read CONNECT response
 
 		// to avoid unnecessary copying of the handler,
-		// store it in a shaed_ptr
+		// store it in a shared_ptr
 		boost::shared_ptr<handler_type> h(new handler_type(handler));
 
 		tcp::resolver::query q(m_hostname, to_string(m_port).elems);