Sources fixed - Yolo v2 can be used on Windows (MSVS 2015 + CUDA 8.0)

AlexeyAB

2016-12-02 5b6dd3a07c0d933f36f9e2a3aaa95ff855ca2795

 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;