Playlist: move playlist_increment_version_all() into the class

src/Playlist.cxx

@@ -31,9 +31,9 @@
 #define G_LOG_DOMAIN "playlist"
 
 void
-playlist_increment_version_all(struct playlist *playlist)
+playlist::FullIncrementVersions()
 {
-	playlist->queue.ModifyAll();
+	queue.ModifyAll();
 	idle_add(IDLE_PLAYLIST);
 }
 

src/Playlist.hxx

@@ -131,6 +131,8 @@ public:
 
 	void TagChanged();
 
+	void FullIncrementVersions();
+
 	enum playlist_result AppendSong(player_control &pc,
 					struct song *song,
 					unsigned *added_id=nullptr);
@@ -254,7 +256,4 @@ public:
 void
 playlist_global_init();
 
-void
-playlist_increment_version_all(struct playlist *playlist);
-
 #endif

src/UpdateGlue.cxx

@@ -155,7 +155,7 @@ static void update_finished_event(void)
 
 	if (modified) {
 		/* send "idle" events */
-		playlist_increment_version_all(&global_partition->playlist);
+		global_partition->playlist.FullIncrementVersions();
 		idle_add(IDLE_DATABASE);
 	}