low volume libalsa 1.2.3

alsa-project/alsa-lib issue #60 was opened from texstar:

Sound is about 30% lower with alsa 1.2.3 than with alsa 1.2.2 using the same volume settings. Backing down to 1.2.2 to restore order as the natives are getting stabby.

Issue URL : https://github.com/alsa-project/alsa-lib/issues/60 Repository URL: https://github.com/alsa-project/alsa-lib