-trying to fix double-cancel

git-svn-id: https://gnunet.org/svn/gnunet@31502 140774ce-b5e7-0310-ab8b-a85725594a96
-ignore

git-svn-id: https://gnunet.org/svn/gnunet@31503 140774ce-b5e7-0310-ab8b-a85725594a96