removes endpoint state change that breaks multi-threaded servers references #168

src/roles/server.hpp

@@ -317,9 +317,7 @@ void server<endpoint>::stop_listen(bool join) {
         
         m_acceptor.close();
     }
-    
-    m_state = STOPPING;
-
+	
     if(join) {
         for (std::size_t i = 0; i < m_listening_threads.size(); ++i) {
             m_listening_threads[i]->join();