USB: composite.h: mark private struct members as private:

Mark internal struct members as /* private: */ so that kernel-doc
won't produce warnings about missing descriptions for them.

Signed-off-by: Randy Dunlap <[e-mail]>
Acked-by: David Brownell <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

include/linux/usb/composite.h

···
 	void			(*suspend)(struct usb_function *);
 	void			(*resume)(struct usb_function *);
 
+	/* private: */
 	/* internals */
 	struct list_head		list;
 };
···
 
 	struct usb_composite_dev	*cdev;
 
+	/* private: */
 	/* internals */
 	struct list_head	list;
 	struct list_head	functions;
···
 
 	struct usb_configuration	*config;
 
+	/* private: */
 	/* internals */
 	struct usb_device_descriptor	desc;
 	struct list_head		configs;