nua/nua_session.c: fixed whitespace
nua/nua_session.c: fixed whitespace

darcs-hash:20081127130241-db55f-ac82713feebb0aea0e61abe224d52435c4037d6f.gz

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