Update Readme.md - pragma-libs in How to compile

Alexey

2017-01-02 b5938098d12d5c9fe48e7cc71ae3d75b7306833f

 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;