Fix small mistake

packet-exchange/src/server.c

@@ -151,7 +151,7 @@ static void *packet_receiving_thread(void *p) {
 
         // Check if packets were lost
         current_packet_id = atoi(param->stats.packet_info.data);
-        param->stats.lost_packets += current_packet_id - prev_packet_id - 1;
+        param->stats.lost_packets += (current_packet_id - prev_packet_id) % 1000 - 1;
 
         if(enable_histograms) {
           dist_to_interval = (((int64_t)diff) - param->interval) / 1000;