Update to LV2 4.0 definition of unstable release (minor micro version number).
Update to LV2 4.0 definition of unstable release (minor micro version number).

git-svn-id: 45f8343ee62be86ea17baff06b71d94449473551@256 42d9e433-49c6-42e3-a640-d7261620a082

harryhaaren/lv2,harryhaaren/lv2,harryhaaren/lv2