Fix README.md

Alexey

2016-12-06 d82b68ada98f02a2ca44b36fc7ddf9b7af51fd02

 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;