nua/test_nat.c: using su_send()/su_recv() instead of send()/recv(), INVALID_SOCKET instead of -1
nua/test_nat.c: using su_send()/su_recv() instead of send()/recv(), INVALID_SOCKET instead of -1

darcs-hash:20061122171518-65a35-ccc4575cbf20ca712caab20b0dcb1ee88a386add.gz

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