Fix detection of monitoring outputs.

cmd.c

 				d->device.num_video_processing_units = strtoul(p, NULL, 10);
 			if ((p = parse_text(line, "Video outputs: ")))
 				d->outputs.num = strtoul(p, NULL, 10);
-			if ((p = parse_text(line, "Video monitoring output: ")))
-				d->device.num_video_monitoring_outputs = strtoul(p, NULL, 10);
+			if ((p = parse_text(line, "Video monitoring outputs: ")))
+				d->mon_outputs.num = strtoul(p, NULL, 10);
 			if ((p = parse_text(line, "Serial ports: ")))
 				d->device.num_serial_ports = strtoul(p, NULL, 10);
 			break;

data.h

 	char			model_name[MAX_NAME_LEN];
 	char			unique_id[MAX_NAME_LEN];
 	unsigned int	num_video_processing_units;
-	unsigned int	num_video_monitoring_outputs;
 	unsigned int	num_serial_ports;
 };
 
 	struct device_desc		device;
 	struct port_set			inputs;
 	struct port_set			outputs;
+	struct port_set			mon_outputs;
 };
 
 extern int debug;

display.c

 		printf("  | %-26s | %-26u |\n", "Serial ports", d->device.num_serial_ports);
 	if (d->device.num_video_processing_units)
 		printf("  | %-26s | %-26u |\n", "Video processing units", d->device.num_video_processing_units);
-	if (d->device.num_video_monitoring_outputs)
-		printf("  | %-26s | %-26u |\n", "Video monitoring outputs", d->device.num_video_monitoring_outputs);
+	if (d->mon_outputs.num)
+		printf("  | %-26s | %-26u |\n", "Video monitoring outputs", d->mon_outputs.num);
 	printf_line(len);
 	printf("\n");
 }