Fixed paths to OpenCV from vc12 to vc14

AlexeyAB

2017-01-15 e83d8e56d56978e5c2e571b8b4bf05b90a851ce0

 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;