dns_conf: add option to enable output log to console.

src/dns_server.c

@@ -6720,6 +6720,10 @@ static int _dns_server_audit_init(void)
 		tlog_set_permission(dns_audit, dns_conf_audit_file_mode, dns_conf_audit_file_mode);
 	}
 
+	if (dns_conf_audit_console != 0) {
+		tlog_logscreen(dns_audit, 1);
+	}
+
 	return 0;
 }