Don't print a stack backtrace when dying due to a missing/empty user-vo-map (SOFTWARE-1273)
Don't print a stack backtrace when dying due to a missing/empty user-vo-map (SOFTWARE-1273)

git-svn-id: 837b95df709fe92c1d0226e1e3bcfbaa8b9fea7e@18232 4e558342-562e-0410-864c-e07659590f8c

opensciencegrid/osg-info-services