qt4 compat fixes

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@46 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/fade_button.h

@@ -30,7 +30,7 @@
 
 #ifdef QT4
 
-#include <QButton>
+#include <QAbstractButton>
 #include <QColor>
 
 #else
@@ -42,7 +42,7 @@
 
 
 
-class fadeButton : public QButton
+class fadeButton : public QAbstractButton
 {
 	Q_OBJECT
 public:

include/qt3support.h

@@ -1,7 +1,7 @@
 /*
  * qt3support.h - layer for supporting Qt3
  *
- * Copyright (c) 2005 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * Copyright (c) 2005-2006 Tobias Doerffel <tobydox/at/users.sourceforge.net>
  * 
  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
  *
@@ -77,6 +77,7 @@ inline QString baseName( const QString & _file )
 
 #define QMatrix QWMatrix
 #define QIcon QIconSet
+#define QAbstractButton QButton
 
 
 // QWidget