nta.c: if NAPTRs has protocols with same preference, select one preferred locally
nta.c: if NAPTRs has protocols with same preference, select one preferred locally

Ignore-this: 1b478cb0fab00043236e2b7858f4d642

darcs-hash:20090707202927-db55f-a4ceee3069ecf07929127066bf4c0cf74a721395.gz

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