alsa-capabilities: alsa_if_label: unbound variable
*Created by: ronalde*
From [Ishmael](http://lacocina.nl/detect-alsa-output-capabilities#comment-794):
```
bash <(wget -q -O – "http://lacocina.nl/alsa-capabilities")
/dev/fd/63: line 367: alsa_if_label: unbound variable
```
issue