Mark BROKEN: fails to build

src/condor_io/condor_auth_kerberos.cpp:251:27: error: assigning to 'krb5_error_code (*)(krb5_context, krb5_auth_context, char *, krb5_principal, krb5_principal, krb5_ccache, int, krb5_data *)' (aka 'int (*)(_krb5_context *, _krb5_auth_context *, char *, krb5_principal_data *, krb5_principal_data *, _krb5_ccache *, int, _krb5_data *)') from incompatible type 'krb5_error_code (krb5_context, krb5_auth_context, const char *, krb5_principal, krb5_principal, krb5_ccache, int, krb5_data *)' (aka 'int (_krb5_context *, _krb5_auth_context *, const char *, krb5_principal_data *, krb5_principal_data *, _krb5_ccache *, int, _krb5_data *)'): type mismatch at 3rd parameter ('char *' vs 'const char *')

krb5_fwd_tgt_creds_ptr = krb5_fwd_tgt_creds;
                         ^~~~~~~~~~~~~~~~~~

Reported by: pkg-fallout