samples: drivers: video: capture: set video buffer types later

Set the video buffer types inside the main loop after the buffers are
dequeued from the video device rather than at the top of the loop.

Signed-off-by: Josuah Demangeon <me@josuah.net>

Author: josuah

samples/drivers/video/capture/src/main.c

@@ -254,14 +254,15 @@ int main(void)
 	LOG_INF("Capture started");
 
 	/* Grab video frames */
-	vbuf->type = type;
 	while (1) {
 		err = video_dequeue(video_dev, &vbuf, K_FOREVER);
 		if (err) {
 			LOG_ERR("Unable to dequeue video buf");
 			return 0;
 		}
 
+		vbuf->type = type;
+
 		LOG_DBG("Got frame %u! size: %u; timestamp %u ms", frame++, vbuf->bytesused,
 		       vbuf->timestamp);