Fixed compile with DEBUG=1

AlexeyAB

2018-04-12 d3bdf7cfdfd695f3e4aadac92e6721c340047dd4

 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;