refresh window after lyrics/artist info was (not) downloaded

src/info.cpp

@@ -79,9 +79,9 @@ void Info::Update()
 {
 	if (!ArtistReady)
 		return;
-	
 	pthread_join(*Downloader, 0);
 	w->Flush();
+	w->Refresh();
 	delete Downloader;
 	Downloader = 0;
 	ArtistReady = 0;

src/lyrics.cpp

@@ -302,6 +302,7 @@ void Lyrics::Take()
 		return;
 	pthread_join(*Downloader, 0);
 	w->Flush();
+	w->Refresh();
 	delete Downloader;
 	Downloader = 0;
 	Ready = 0;