auth_common.c::auth_get_params(): added missing va_end()
auth_common.c::auth_get_params(): added missing va_end()

Ignore-this: 43f33c9e069f4b80c35bab09bec7f925

Coverity issue.

darcs-hash:20090512163836-db55f-11a9984f2dd203ca67dc6f8728ea9498a9e7c9ff.gz

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