readme fix

Edmond Yoo

2018-09-06 595a5ea1f6fed9351862a2708a64d7fc10a7cf6a

 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;