Fix invocation of gnutls_aead_cipher_encrypt()
Which was failing with GNUTLS_E_SHORT_MEMORY_BUFFER - The given memory
buffer is too short to hold parameters.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13352
Signed-off-by: Timur I. Bakeyev <timur@iXsystems.com>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Garming Sam <garming@samba.org>
Autobuild-Date(master): Fri Mar 23 07:25:30 CET 2018 on sn-devel-144
(cherry picked from commit
b9f0c7f93c058685e24d104432978bd40b94b49f)