*Bug* Serviio does not find Files with "Umlaute"

Hey i'm using OmniOS (Unix/Solaris) with Serviio and it does not recognize files with "Umlaute" "(äöü).

For example: test_ä.mkv will just be ignored.

[zip]

SOme tips in FAQ: http://serviio.org/component/content/article?id=21#q9