Fix for multi-GPU and DGX

AlexeyAB

2018-06-03 483fdfa951feeb20903da1598cb9d611b93de6ca

 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;