audio/libsndfile: Update to latest commit
- Update to latest commit upstream, fixes various bugs and issues
- Backport upstream PR 1106
- Remove STATIC option
- Rework "make test" so it doesn't depend on other options or toggles
- Disable lossy_comp_test_ogg_opus test as it breaks with opus 1.6.0+
Changelog:
https://github.com/libsndfile/libsndfile/compare/1.2.2...ea9ff56
References:
https://github.com/libsndfile/libsndfile/pull/1106
https://github.com/libsndfile/libsndfile/issues/1107