Replace boost::shared_ptr with std::shared_ptr

src/websocket/src/roles/server.hpp

@@ -37,6 +37,8 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/asio.hpp>
 #include <boost/bind.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/scoped_ptr.hpp>
 #include <boost/thread.hpp>