Auto merge of #1231 - rcseacord:rcseacord-patch-3, r=str4d
Auto merge of #1231 - rcseacord:rcseacord-patch-3, r=str4d

Address incorrect use of shared_ptr in test_equihash.cpp

Closes #1228

bitcoinsSG/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,CTRoundTable/Encrypted.Cash,CTRoundTable/Encrypted.Cash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,bitcoinsSG/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash,CTRoundTable/Encrypted.Cash,bitcoinsSG/zcash