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

commit f0c15b360fb6 ("media: ir_toy: prevent device from hanging during
transmit") removed a cpu_to_be16() cast, which causes a sparse warning.

Fixes: f0c15b360fb6 ("media: ir_toy: prevent device from hanging during transmit")
Reported-by: Hans Verkuil <[e-mail]>
Signed-off-by: Sean Young <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/rc/ir_toy.c

···
 		buf[i] = cpu_to_be16(v);
 	}
 
-	buf[count] = 0xffff;
+	buf[count] = cpu_to_be16(0xffff);
 
 	irtoy->tx_buf = buf;
 	irtoy->tx_len = size;