Auto merge of #1248 - rcseacord:rcseacord-patch-4, r=ebfull
Auto merge of #1248 - rcseacord:rcseacord-patch-4, r=ebfull

Update uint256.h

Addresses load of misaligned address for type 'const uint32_t' #1246

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