remove callsign from log message in UDP up state since the callsign hasn't been set yet.
remove callsign from log message in UDP up state since the callsign hasn't been set yet.

git-svn-id: 67bf12f30ddf2081c31403e0b02b2123541f1680@22385 08b3d480-bf2c-0410-a26f-811ee3361c24

kongr45gpen/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag,adamsdadakaeti/bzflag,adamsdadakaeti/bzflag,adamsdadakaeti/bzflag,kongr45gpen/bzflag,khonkhortisan/bzflag,kongr45gpen/bzflag,adamsdadakaeti/bzflag,khonkhortisan/bzflag