make sure all TCOs are shown after loading project (closes #2016741)

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1391 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/song_editor.h

@@ -57,9 +57,12 @@ signals:
 	void periodicUpdate( void );
 
 
+public slots:
+	void scrolled( int _new_pos );
+
+
 private slots:
 	void setHighQuality( bool );
-	void scrolled( int _new_pos );
 
 	void play( void );
 	void stop( void );