[ssh_x509] test failure with patch 11.5 and openssl 1.1.1

[ssh_x509 at roumenpetrov.info]

Snippet where the test failed, let me know if more information is needed.

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Testing client and server with X.509 certificates:
=======================================================================

using: ./test-blob_auth.sh.inc
* with CACertificateFile and
* authorization by encoded public identity:
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Begin tests with authorization by encoded X.509 certificate ...
  using identity file testid_rsa-rsa_sha1
  * rsa_sha1 valid                                                    failed

=======================================================================
Testing client and server with X.509 certificates finished.
  status:                                                             failed
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