Update minidlna to version 1.2.1
Changelog:
- Added Movian client detection and subtitle support.
- Fixed an issue with discovery on non-Linux systems.
- Fixed Bonjour discovery compatibility with TiVo Bolt.
- Fixed NFO file parsing, and added change monitoring support for them.
- Added a workaround for video thumbnails on some Samsung clients.
- Added DoS protection for event subscriptions.
- Fixed content browsing issues with some Samsung TVs.
- Improved non-destructive update scan support.