Fixed memory leak in nta_agent_create()/nta_agent_destroy().
Fixed memory leak in nta_agent_create()/nta_agent_destroy().

darcs-hash:20051007182115-65a35-4de54f30bc827fd4d21252189e30a41b6e29b14b.gz

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