Minor fix for pragma-lib

AlexeyAB

2017-01-02 a9c0a8b2b516ca20abc1fbe7158b97a34f92b23f

 src/crop_layer.h

@@ -2,7 +2,6 @@
#define CROP_LAYER_H

#include "image.h"
#include "params.h"
#include "layer.h"
#include "network.h"