nua_stack.h: removed unused typedef ull
nua_stack.h: removed unused typedef ull

darcs-hash:20080513204750-db55f-d5cab2e715a3d0cd8815e7dad2c5d0501abe1b1a.gz

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