USB: fix compiler issues with newer gcc versions

Remove complaint from newer GCCs; they don't like forward function
declarations except in top-level contexts.

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

drivers/usb/core/hub.c

···
 
 #ifdef	CONFIG_USB_OTG
 #include "otg_whitelist.h"
+static int __usb_port_suspend(struct usb_device *, int port1);
 #endif
 
 /**
···
 		 * (Includes HNP test device.)
 		 */
 		if (udev->bus->b_hnp_enable || udev->bus->is_b_host) {
-			static int __usb_port_suspend(struct usb_device *,
-						int port1);
 			err = __usb_port_suspend(udev, udev->bus->otg_port);
 			if (err < 0)
 				dev_dbg(&udev->dev, "HNP fail, %d\n", err);