envy24control: fix crash when using system profiles file

alsa-project/alsa-tools pull request #32 was opened from andreas56:

envy24control crashed if you tried to start it with -f /etc/envy24control/profiles.conf.

Request URL : https://github.com/alsa-project/alsa-tools/pull/32 Patch URL : https://github.com/alsa-project/alsa-tools/pull/32.patch Repository URL: https://github.com/alsa-project/alsa-tools