Update Readme.md - fixed typo

Alexey

2017-11-28 617cf313ccb1fe005db3f7d88dec04a04bd97cc2

 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;