*
* Returns: a new udev device, or #NULL, if it does not exist
**/
-_public_ struct udev_device *udev_device_new_from_device_id(struct udev *udev, char *id)
+_public_ struct udev_device *udev_device_new_from_device_id(struct udev *udev, const char *id)
{
char type;
int maj, min;