add inflight to gui

src/control_server.c

@@ -948,6 +948,7 @@ static void send_metrics(struct control_server* server, struct control_client* c
         link_info[i].keepalive_recv = (uint32_t)link->keepalive_recv_count;
         link_info[i].inflight_bytes = link->inflight_bytes;
         link_info[i].inflight_packets = link->inflight_packets;
+        link_info[i].inflight_lim_bytes = link->inflight_lim_bytes;
         link = link->next;
     }