cec-follower: change type of struct Timer duration field to int

Use int for this field instead of time_t since it is at most
about 100*3600 seconds.

It also avoids confusion about the size of time_t, since that can
be 32 or 64 bits.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

utils/cec-follower/cec-follower.cpp

@@ -354,7 +354,7 @@ void print_timers(struct node *node)
 			printf("source: %s, ", source.c_str());
 			if (t.recording_seq)
 				printf("rec-seq: 0x%x, ", t.recording_seq);
-			printf("needs: %ld %s\n", t.duration, "MB."); /* 1MB per second. */
+			printf("needs: %d %s\n", t.duration, "MB."); /* 1MB per second. */
 		}
 		printf("Total media space available for recording: ");
 		if (node->state.media_space_available >= 0)

utils/cec-follower/cec-follower.h

@@ -88,7 +88,7 @@ struct node {
 
 struct Timer {
 	time_t start_time;
-	time_t duration; /* In seconds. */
+	int duration; /* In seconds. */
 	__u8 recording_seq;
 	struct cec_op_record_src src;