fix bug in ExtractFeaturesFromMemory when predidct_fun_ is used (#3721)
fix bug in ExtractFeaturesFromMemory when predidct_fun_ is used (#3721)


henry0312/LightGBM,henry0312/LightGBM,microsoft/LightGBM,microsoft/LightGBM,henry0312/LightGBM,henry0312/LightGBM,henry0312/LightGBM,microsoft/LightGBM,microsoft/LightGBM,microsoft/LightGBM