media: ir_toy: assignment to be16 should be of correct type

commit f0c15b36 ("media: ir_toy: prevent device from hanging during
transmit") removed a cpu_to_be16() cast, which causes a sparse warning.

Fixes: f0c15b36 ("media: ir_toy: prevent device from hanging during transmit")
Reported-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NSean Young <sean@mess.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/rc/ir_toy.c

@@ -318,7 +318,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
 		buf[i] = cpu_to_be16(v);
 	}
 
-	buf[count] = 0xffff;
+	buf[count] = cpu_to_be16(0xffff);
 
 	irtoy->tx_buf = buf;
 	irtoy->tx_len = size;