more work on course editor

stepmania/src/GameState.h

@@ -42,6 +42,7 @@ public:
 	void PlayersFinalized();	// called after a style is chosen, which means the number of players is finalized
 	void EndGame();	// called on ScreenGameOver, ScreenMusicScroll, ScreenCredits
 	void SaveCurrentSettingsToProfile( PlayerNumber pn ); // called at the beginning of each stage
+	Song* GetDefaultSong() const;
 
 	void Update( float fDelta );