vt: Add K_OFF return value to vt_ioctl KDGKBMODE

After adding support for K_OFF in KDSKBMODE, it was forgotten to
add support for returning it in KDGKBMODE.
Signed-off-by: NArthur Taylor <art@ified.ca>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/tty/vt/vt_ioctl.c

@@ -701,6 +701,7 @@ int vt_ioctl(struct tty_struct *tty,
 		uival = ((kbd->kbdmode == VC_RAW) ? K_RAW :
 				 (kbd->kbdmode == VC_MEDIUMRAW) ? K_MEDIUMRAW :
 				 (kbd->kbdmode == VC_UNICODE) ? K_UNICODE :
+				 (kbd->kbdmode == VC_OFF) ? K_OFF :
 				 K_XLATE);
 		goto setint;