[LinuxPPS] NMEA Refclock in ntp-dev does not work

[William S. Brasher]

The problem with ntp-dev-4.2.5p233-RC happens with Linux 2.4 too.

This is with linux-2.4.33.3 patched with PPSkit-2.1.7:

tick: $ ntpq -p
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
xGPS_NMEA(0)     .GPS.            0 l   12   64  377    0.000  -187.48   3.047
xPPS(0)          .PPS.            0 l   10   64  377    0.000    0.001   0.001
*chronos         .PPS.            1 u   95  128  377    0.154    0.005   0.037

tick: $ ntpq -crv
associd=0 status=0615 leap_none, sync_ntp, 1 event, clock_sync,
version="ntpd 4.2.5p233-RC at 1.2061-o Sat Oct 17 16:58:06 UTC 2009 (1)",
processor="i686", system="Linux/2.4.33.3-NANO", leap=00, stratum=2,
precision=-20, rootdelay=0.154, rootdisp=13.985, refid=192.168.48.2,
reftime=ce8489d3.5c8856ae  Sat, Oct 17 2009 13:22:11.361,
clock=ce848caf.a9bc51fc  Sat, Oct 17 2009 13:34:23.663, peer=44717,
tc=7, mintc=3, offset=0.005, frequency=32.099, sys_jitter=0.037,
clk_jitter=0.000, clk_wander=0.011, host="tick", group="tick",
flags=0x80001, signature="md5WithRSAEncryption", update=200910171806,
cert="tick tick 0x1", until=200908091522