hda-analyzer porting to GTK3

[GitHub issues - opened]

alsa-project/alsa-utils issue #134 was opened from kosiu:

I know that hda-analyzer is not a part of alsa-utils.
I'm trying to port it into GTK3 at first but I encounter
problems with scrolling of the graph.
Source is here:
https://github.com/kosiu/alsa/tree/gtk3

Issue URL     : https://github.com/alsa-project/alsa-utils/issues/134
Repository URL: https://github.com/alsa-project/alsa-utils