media: uapi/linux/cec-funcs.h: set delay to 1 if unnused

If the audio_out_delay value is unused, then set it to 1, not 0.
The value 0 is reserved, and 1 is a much safer value since it
translates to a delay of (1 - 1) * 2 = 0 ms.

Signed-off-by: Hans Verkuil <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

include/uapi/linux/cec-funcs.h

···
 	if (*audio_out_compensated == 3 && msg->len >= 7)
 		*audio_out_delay = msg->msg[6];
 	else
-		*audio_out_delay = 0;
+		*audio_out_delay = 1;
 }
 
 static inline void cec_msg_request_current_latency(struct cec_msg *msg,