staging: unisys: visorinput: Remove unnecessary usage of local variable

Remove local variable on stack by directly returning the value in the
array.

Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorinput/visorinput.c

@@ -539,13 +539,10 @@ handle_locking_key(struct input_dev *visorinput_dev,
 static int
 scancode_to_keycode(int scancode)
 {
-	int keycode;
-
 	if (scancode > 0xff)
-		keycode = visorkbd_ext_keycode[(scancode >> 8) & 0xff];
-	else
-		keycode = visorkbd_keycode[scancode];
-	return keycode;
+		return visorkbd_ext_keycode[(scancode >> 8) & 0xff];
+
+	return  visorkbd_keycode[scancode];
 }
 
 static int