Undeclarated constant

[GitHub issues - opened <github@xxxxxxxxxxxxxxxx>]

alsa-project/alsa-plugins issue #24 was opened from unknown2045:

Hi,
I am trying to install the alsa-plugins, when I do the make command I get the following errors:

![Captura de pantalla de 2021-06-10 13-52-37](https://user-images.githubusercontent.com/85682900/121520376-229ecb00-c9f3-11eb-9230-3f5ace4c3042.png)

How can I solve it?

Thanks in advance!

Issue URL     : https://github.com/alsa-project/alsa-plugins/issues/24
Repository URL: https://github.com/alsa-project/alsa-plugins