Warning fixes to most detailed warning output of OpenWatcom. Tested under Borland, DigitalMars and MinGW.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/checkbox.cpp

@@ -74,7 +74,7 @@ class CheckBoxWidgetsPage : public WidgetsPage
 {
 public:
     CheckBoxWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
-    virtual ~CheckBoxWidgetsPage();
+    virtual ~CheckBoxWidgetsPage(){};
 
 protected:
     // event handlers
@@ -223,10 +223,6 @@ CheckBoxWidgetsPage::CheckBoxWidgetsPage(wxNotebook *notebook,
     sizerTop->Fit(this);
 }
 
-CheckBoxWidgetsPage::~CheckBoxWidgetsPage()
-{
-}
-
 void CheckBoxWidgetsPage::Reset()
 {
     m_chkRight->SetValue(false);