--- deliantra/server/configure.ac	2007/06/10 02:57:16	1.78
+++ deliantra/server/configure.ac	2007/06/25 05:43:45	1.80
@@ -61,7 +61,7 @@
    "Digest::MD5 2.0" \
    "Event 1.08" \
    "IO::AIO 2.4" \
-   "JSON::XS 1.21" \
+   "JSON::XS 1.4" \
    "Pod::POM 0.17" \
    "Safe::Hole 0.10" \
    "Storable 2.0" \
@@ -179,6 +179,7 @@
   socklen_t len = sizeof (tcpi);
   getsockopt (fd, IPPROTO_TCP, TCP_INFO, &tcpi, &len);
   fd = 0
+     + tcpi.tcpi_snd_mss
      + tcpi.tcpi_rtt
      + tcpi.tcpi_rttvar
      + tcpi.tcpi_last_ack_recv