Fixed fread() for net->seen

AlexeyAB

2017-10-21 ae74d0ef31485f84e1856b4733135d2753dbb033

 src/avgpool_layer_kernels.cu

@@ -1,3 +1,7 @@
#include "cuda_runtime.h"
#include "curand.h"
#include "cublas_v2.h"

extern "C" {
#include "avgpool_layer.h"
#include "cuda.h"