d3cb1f9 Make use of TAG_PUBKEY constants in secp256k1_eckey_pubkey_parse (Ben Woosley)
Pull request description:
This results in more self-documenting code.
Constants defined here:
https://github.com/bitcoin-core/secp256k1/blob/
1e6f1f5ad5e7f1e3ef79313ec02023902bf8175c/include/secp256k1.h#L175-L180
Tree-SHA512: 2026103c487a5ebdea9a2f5ec2be96d74e38d5b2269b4df11e354bb54aba2925b47c3185f530205019840b00fc3501121acfa5234faf1d095d71777826414f69