staging: vt6656: clean up an indentation issue

There is a block of code that is indented incorrectly, add in the
missing tabs.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20190927092400.20213-1-colin.king@canonical.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/main_usb.c

@@ -249,10 +249,10 @@ static int vnt_init_registers(struct vnt_private *priv)
 		} else {
 			priv->tx_antenna_mode = ANT_B;
 
-		if (priv->tx_rx_ant_inv)
-			priv->rx_antenna_mode = ANT_A;
-		else
-			priv->rx_antenna_mode = ANT_B;
+			if (priv->tx_rx_ant_inv)
+				priv->rx_antenna_mode = ANT_A;
+			else
+				priv->rx_antenna_mode = ANT_B;
 		}
 	}