use memcmp instead of manual comparison
use memcmp instead of manual comparison

visvirial/Sia-GPU-Miner,funguito/Sia-GPU-Miner,NebulousLabs/Sia-GPU-Miner,visvirial/Sia-GPU-Miner,NebulousLabs/Sia-GPU-Miner,KlausT/Sia-CUDA-Miner,funguito/Sia-GPU-Miner,KlausT/Sia-CUDA-Miner