- check return values from GCC_send_prebuilt_message

git-svn-id: https://gnunet.org/svn/gnunet@33831 140774ce-b5e7-0310-ab8b-a85725594a96
- remove debug info used to fix #3405

git-svn-id: https://gnunet.org/svn/gnunet@33832 140774ce-b5e7-0310-ab8b-a85725594a96
- more verbose warning message

git-svn-id: https://gnunet.org/svn/gnunet@33833 140774ce-b5e7-0310-ab8b-a85725594a96
- don't use payload_type on non-payload messages

git-svn-id: https://gnunet.org/svn/gnunet@33834 140774ce-b5e7-0310-ab8b-a85725594a96
- update m2s for non-payload

git-svn-id: https://gnunet.org/svn/gnunet@33835 140774ce-b5e7-0310-ab8b-a85725594a96