Updated libecasound library version to v22
Updated libecasound library version to v22

Libtool version is 22:0:0 as v22 is not backwards
compatible with previous versions.

jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2,jeremysalwen/Ecasound-LV2