patches for 6.4.1-3 image quality degrade. quantize_error: sqrt(count*...) => count*sqrt(...)
patches for 6.4.1-3 image quality degrade.
quantize_error: sqrt(count*...) => count*sqrt(...)

gree/YoyaMagick,gree/YoyaMagick,gree/YoyaMagick,gree/YoyaMagick