- delay tunnel destruction 1 min to avoid rekeying


git-svn-id: https://gnunet.org/svn/gnunet@31817 140774ce-b5e7-0310-ab8b-a85725594a96
missing secretsharing_common.c

git-svn-id: https://gnunet.org/svn/gnunet@31818 140774ce-b5e7-0310-ab8b-a85725594a96