RADIUS client: Handle ENETUNREACH similarly to other failure cases

This is one more possible send() error that should trigger RADIUS server
change if multiple servers are configured.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/radius/radius_client.c

@@ -302,7 +302,7 @@ static void radius_client_handle_send_error(struct radius_client_data *radius,
 	int _errno = errno;
 	wpa_printf(MSG_INFO, "send[RADIUS]: %s", strerror(errno));
 	if (_errno == ENOTCONN || _errno == EDESTADDRREQ || _errno == EINVAL ||
-	    _errno == EBADF) {
+	    _errno == EBADF || _errno == ENETUNREACH) {
 		hostapd_logger(radius->ctx, NULL, HOSTAPD_MODULE_RADIUS,
 			       HOSTAPD_LEVEL_INFO,
 			       "Send failed - maybe interface status changed -"