Added inlined IN6_IS_ADDR_LOOPBACK() to su_localinfo.c.
Added inlined IN6_IS_ADDR_LOOPBACK() to su_localinfo.c.

darcs-hash:20060411182104-65a35-06ab8397c2259e20c2c85e7bbdcecabe7fd060b3.gz

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