Use load_image_cv() on OpenCV 3.x

AlexeyAB

2017-10-26 56fd10435a4019e15783ed4a53ddb53722bcac20

 src/cost_layer.h

@@ -1,7 +1,7 @@
#ifndef COST_LAYER_H
#define COST_LAYER_H
#include "params.h"
#include "layer.h"
#include "network.h"

typedef layer cost_layer;