Snippets for postgresql 18.4 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/libpq/18.4/3.fc45/data/logs/s390x/build.log.

• fe-secure-openssl.c:655:30: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    655 |                 subject_name = X509_get_subject_name(conn->peer);
        |                              ^
  

• fe-secure-openssl.c:668:140: warning: passing argument 2 of ‘openssl_verify_peer_name_matches_certificate_name’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
    668 |                                                                                                                                            X509_NAME_ENTRY_get_data(X509_NAME_get_entry(subject_name, cn_index)),
        |                                                                                                                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~