missing break in usbioctl

[sc dying <sc.dying%gmail.com@localhost>]

It looks like case USB_REQUEST in usbioctl() of usb.c misses `break.'

--- sys/dev/usb/usb.c Sun Jan 29 02:28:16 2017
+++ sys/dev/usb/usb.c Mon Aug 28 08:53:56 2017
@@ -775,6 +775,7 @@ usbioctl(dev_t devt, u_long cmd, void *d
  len = UGETW(ur->ucr_request.wLength);
  kmem_free(ptr, len);
  }
+ break;
  }

  case USB_DEVICEINFO:


(sorry for tab breakage)

netbsd-7 and netbsd-8 has same problem.