0cc23fc603 Fix typo in comment SHA256->SHA512 (Elichai Turkel)
Pull request description:
The comment says it's the SHA-256 state, while it's actually the SHA-512 state
ACKs for top commit:
andrewtoth:
ACK 0cc23fc603
aureleoules:
ACK 0cc23fc603
Tree-SHA512: 4e390ceefb847d3bbe4f5caab390a4fdd14892fe443f58c32b08b3444fccd611cff22938c3dfa611dfd2497736f779fae4165497b4208e48aa8fc9d2236f943b