Version 2.2.0 packaging

Hi,

Following to v2.1.0 release #15 (closed) , I released further new version of libhinawa v2.2.0 today:

https://github.com/alsa-project/libhinawa/releases/tag/2.2.0

The new release has two new symbols. I'd like you to apply another patch to the previous one in #15 (closed).

0001-debian-packaging-for-v2.2.0.patch

Cheers!