Merge pull request #20034 from owncloud/icewind_streams_0.3.0

Bump 3rdparty for icewind/streams-0.3.0

3rdparty @ 5c7b1870

-Subproject commit be700d4918627e06eb3e8c5f3b025911061badff
+Subproject commit 5c7b18704773473f8f7846ef942fc958f449c977

lib/private/files/stream/encryption.php

@@ -471,4 +471,13 @@ class Encryption extends Wrapper {
 		return parent::stream_seek($position);
 	}
 
+	/**
+	 * @param string $path
+	 * @param array $options
+	 * @return bool
+	 */
+	public function dir_opendir($path, $options) {
+		return false;
+	}
+
 }