Debug nonces on /sso_login ticket auth failure

src/mod_sso/mod_sso.c

@@ -480,7 +480,8 @@ static int mod_sso_method_handler(request_rec *r) {
       if ((err = sso_validate(t, service, s_cfg->domain, unique_id, NULL)) !=
           SSO_OK) {
         ap_log_error(APLOG_MARK, APLOG_WARNING, 0, r->server,
-                     "sso: ticket validation error: %s", sso_strerror(err));
+                     "sso: ticket validation error: %s (nonce=%s, t->nonce=%s)",
+                     sso_strerror(err), unique_id, t->nonce);
         return HTTP_BAD_REQUEST;
       }
     }