The tlsext_ticket_key functions are documented as returning 0 on success.
In fact they return 1 on success.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17210)
(cherry picked from commit
b0be101326f369f0dd547556d2f3eb3ef5ed0e33)
=head1 RETURN VALUES
-returns 0 to indicate the callback function was set.
+Returns 1 to indicate the callback function was set and 0 otherwise.
=head1 EXAMPLES