Avoid clearing Audacious playlist when opening mp3 files

Audacious, clear the playlist when opening files

Since you can't change mp3 "Open with" "Default application" from Audacious to fx VLC under Properties in Ubuntu 16.04, and it is annoying to get your playlist deleted every time you open a single mp3-file, here is a work-around.

Go to File > Settings > Playlist and uncheck "Clear the playlist when opening files".