-leaks, leaks leaks

git-svn-id: https://gnunet.org/svn/gnunet@34674 140774ce-b5e7-0310-ab8b-a85725594a96
-check rval

git-svn-id: https://gnunet.org/svn/gnunet@34675 140774ce-b5e7-0310-ab8b-a85725594a96
-check rval

git-svn-id: https://gnunet.org/svn/gnunet@34676 140774ce-b5e7-0310-ab8b-a85725594a96