Fix accents issue in when save playlist in xspf format

src/playlistparsers/xspfparser.cpp

@@ -121,7 +121,7 @@ void XSPFParser::Save(const SongList& songs, QIODevice* device, const QDir& dir,
   StreamElement tracklist("trackList", &writer);
   for (const Song& song : songs) {
     QString filename_or_url =
-        URLOrFilename(song.url(), dir, path_type).toUtf8();
+        URLOrFilename(song.url(), dir, path_type);
 
     StreamElement track("track", &writer);
     writer.writeTextElement("location", filename_or_url);