test_nta.c: fixed receiving with sink socket
test_nta.c: fixed receiving with sink socket

darcs-hash:20080123144750-65a35-de188320841e6a358fc680a5b62926bda2087da6.gz

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