configure.ac: bumped package version to 1.12.3work2
configure.ac: bumped package version to 1.12.3work2

darcs-hash:20061110072933-65a35-b5ab37155f45004cad79bb2cc325a5322b77a64e.gz

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