Update readme.md

Ade

2018-05-06 a1c5bae6fbc57f1b0915139291b4c3ba3b093f30

 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;