[$] A GPSD time warp

The GPSD project provides adaemon for communicating with various GPS devices in order to retrieve thelocation information that those sensors provide. But the GPS satellitesalso provide highly accurate time information that GPSD canextract for use by Network TimeProtocol (NTP) servers. A bug in the GPSD code will cause time togo backward in October, though, which may well cause some havoc if affected NTPservers donot get an update before then.