Fix teardown for TIME_WAIT

fix #1024, fix #1029

example/websocket/client/async-ssl/websocket_client_async_ssl.cpp

@@ -225,7 +225,7 @@ int main(int argc, char** argv)
     std::make_shared<session>(ioc, ctx)->run(host, port, text);
 
     // Run the I/O service. The call will return when
-    // the get operation is complete.
+    // the socket is closed.
     ioc.run();
 
     return EXIT_SUCCESS;