__USB_HID_H macro

@file usbd_hid.h @author MCD Application Team Header file for the usbd_hid_core.c file. @attention Copyright (c) 2015 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.