Revision 1909414

On the '1.3.x-r1909252-group' branch: Merge r1909413 (Remove a couple
of remaining _fp() OpenSSL API usages in the test suite) from trunk,
adjusting to the state of the 1.3.x branch.

* test/server/test_sslserver.c
  (err_file_print_cb): New callback for ERR_print_errors_cb().
  (ssl_handshake, ssl_socket_read): Replace usages of ERR_print_errors_fp()
   with ERR_print_errors_cb().  Pass the new callback.