alsa-mixer: Respect XDG base directory spec when loading path configs
Try $XDG_DATA_HOME, then $XDG_DATA_DIRS, and finally fall back to old behaviour (prefix-defined directory).
Fixes: #862 (closed)
Try $XDG_DATA_HOME, then $XDG_DATA_DIRS, and finally fall back to old behaviour (prefix-defined directory).
Fixes: #862 (closed)