Issue 12345: No link preview on DFRN posts

src/Protocol/DFRN.php

@@ -711,7 +711,7 @@ class DFRN
 	 */
 	private static function getAttachment($doc, $root, array $item)
 	{
-		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
+		foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT]) as $attachment) {
 			$attributes = ['rel' => 'enclosure',
 				'href' => $attachment['url'],
 				'type' => $attachment['mimetype']];