fix type warning


git-svn-id: https://gnunet.org/svn/gnunet@33764 140774ce-b5e7-0310-ab8b-a85725594a96
printing peer ids 
fixing first set of cfgs


git-svn-id: https://gnunet.org/svn/gnunet@33765 140774ce-b5e7-0310-ab8b-a85725594a96