cleanup

repertory/librepertory/src/comm/packet/packet_client.cpp

@@ -52,7 +52,7 @@ void packet_client::close(client &cli) {
     cli.socket.shutdown(boost::asio::socket_base::shutdown_both);
 
     boost::system::error_code err;
-    cli.socket.close(err);
+    [[maybe_unused]] auto res = cli.socket.close(err);
   } catch (...) {
   }
 }