[PATCH] USB: fix build warning in usb core as pointed out by Andrew.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Index: gregkh-2.6/drivers/usb/core/usb.c
===================================================================

drivers/usb/core/usb.c

@@ -492,7 +492,7 @@ static int __find_interface(struct device * dev, void * data)
  */
 struct usb_interface *usb_find_interface(struct usb_driver *drv, int minor)
 {
-	struct usb_interface *intf = (struct usb_interface *)minor;
+	struct usb_interface *intf = (struct usb_interface *)(long)minor;
 	int ret;
 
 	ret = driver_for_each_device(&drv->driver, NULL, &intf, __find_interface);