set long-forgotten DPD defaults

src/starter/confread.c

@@ -79,6 +79,8 @@ static void default_values(starter_config_t *cfg)
 	cfg->conn_default.sa_keying_tries       = SA_REPLACEMENT_RETRIES_DEFAULT;
 	cfg->conn_default.addr_family           = AF_INET;
 	cfg->conn_default.tunnel_addr_family    = AF_INET;
+	cfg->conn_default.dpd_delay		=  30; /* seconds */
+	cfg->conn_default.dpd_timeout		= 150; /* seconds */
 
 	cfg->conn_default.left.seen  = LEMPTY;
 	cfg->conn_default.right.seen = LEMPTY;