Fix broken build because of zerocash->zcash rename.
Fix broken build because of zerocash->zcash rename.

aniemerg/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,nathan-at-least/zcash,CTRoundTable/Encrypted.Cash,loxal/zcash,nathan-at-least/zcash,CTRoundTable/Encrypted.Cash,loxal/zcash,aniemerg/zcash,bitcoinsSG/zcash,aniemerg/zcash,loxal/zcash,nathan-at-least/zcash,CTRoundTable/Encrypted.Cash,nathan-at-least/zcash,aniemerg/zcash,aniemerg/zcash,nathan-at-least/zcash,nathan-at-least/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,bitcoinsSG/zcash,aniemerg/zcash,loxal/zcash,loxal/zcash,bitcoinsSG/zcash,loxal/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash