-fix check for DANE and ftbfs

git-svn-id: https://gnunet.org/svn/gnunet@31733 140774ce-b5e7-0310-ab8b-a85725594a96
value__ is uint32_t, use %lu to print

git-svn-id: https://gnunet.org/svn/gnunet@31734 140774ce-b5e7-0310-ab8b-a85725594a96