nta.c: changed _WIN32s to HAVE_WIN32s
nta.c: changed _WIN32s to HAVE_WIN32s

darcs-hash:20070430114743-1b897-c9d261fa89edd4b910d5927bef62a8a74d6873c8.gz

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