su_localinfo.c: fix build on non-ipv6 hosts
su_localinfo.c: fix build on non-ipv6 hosts

Ignore-this: d92e0856bf43e51cc98ab7220202c44d

darcs-hash:20090226153151-11237-444131f31977dea76756c78ee0630571905fa962.gz

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