- do not send a PHONE_HANG_UP message while terminating a caller connection


git-svn-id: https://gnunet.org/svn/gnunet@31630 140774ce-b5e7-0310-ab8b-a85725594a96
- fix free after call to continuation


git-svn-id: https://gnunet.org/svn/gnunet@31631 140774ce-b5e7-0310-ab8b-a85725594a96