playlist: convert to C++

test/TestQueuePriority.cxx

@@ -1,7 +1,5 @@
 #include "config.h"
-extern "C" {
-#include "queue.h"
-}
+#include "Queue.hxx"
 #include "song.h"
 #include "Directory.hxx"
 

test/run_filter.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
  * http://www.musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
@@ -25,7 +25,7 @@
 #include "pcm_volume.h"
 #include "idle.h"
 #include "mixer_control.h"
-#include "playlist.h"
+#include "Playlist.hxx"
 #include "stdbin.h"
 
 #include <glib.h>

test/run_output.cxx

@@ -32,7 +32,7 @@ extern "C" {
 #include "idle.h"
 }
 
-#include "playlist.h"
+#include "Playlist.hxx"
 #include "player_control.h"
 #include "stdbin.h"