tport.c: fixed tport_queuelen() when queue is full
tport.c: fixed tport_queuelen() when queue is full

Ignore-this: 7b7e2d1cc9f61b41c4d44dc8ff4d246e

darcs-hash:20090211210108-c21f9-65d56056f28ba91d8b3819c986156fde78872f80.gz

erdincay/sofia-sip,unispeech/sofia-sip,xhook/sofia-sip,BelledonneCommunications/sofia-sip,unispeech/sofia-sip,jart/sofia-sip,xhook/sofia-sip,xhook/sofia-sip,erdincay/sofia-sip,xhook/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,BelledonneCommunications/sofia-sip,BelledonneCommunications/sofia-sip,jart/sofia-sip,xhook/sofia-sip,jart/sofia-sip,unispeech/sofia-sip,erdincay/sofia-sip,BelledonneCommunications/sofia-sip