Fixed FTBFS with clang caused by implicit default constructor definition.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

libtdeedu/extdate/testwidget.cpp

@@ -25,7 +25,7 @@
 #include "extdatewidget.h"
 #include "testwidget.h"
 
-TestWidget::TestWidget( TQWidget *p=0, const char *name=0 ) : TDEMainWindow( p, name ) {
+TestWidget::TestWidget( TQWidget *p, const char *name ) : TDEMainWindow( p, name ) {
 	TQWidget *w = new TQWidget(this);
 
 	glay = new TQGridLayout(w, 3, 2);

libtdeedu/extdate/testwidget.h

@@ -33,7 +33,7 @@ class TestWidget : public TDEMainWindow {
 	Q_OBJECT
   
 	public:
-		TestWidget( TQWidget *parent, const char *name );
+		TestWidget(TQWidget *parent = NULL, const char *name = NULL);
 		~TestWidget() {}
 
 	public slots: