Update minimp3 to 2b9a023 (#807)
Update minimp3 to 2b9a023 (#807)

This PR updates minimp3 to 2b9a023, a follow up of 801

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>
tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io