- Update to alsa-utils 1.2.6:
various updates / fixes for alsactl, amidi, alsaloop, alsamixer,
alsatplg, amixer, aplay and aseqnet. Details are found in
https://alsa-project.org/wiki/Changes_v1.2.5.1_v1.2.6#alsa-utils
- Update the download URL
- Add *.sig file for the tarball