iptsec/Makefile.am: fixed HAVE_NTH case
iptsec/Makefile.am: fixed HAVE_NTH case

darcs-hash:20070212131554-65a35-2eb1fa0137cdc72eb23afcf35cb3e6375f8f8c67.gz

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