mark all dtors which are virtual because base class dtor is virtual explicitly virtual themselves

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41020 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/region.h

@@ -27,7 +27,7 @@ public:
     wxRegionGeneric(const wxPoint& topLeft, const wxPoint& bottomRight);
     wxRegionGeneric(const wxRect& rect);
     wxRegionGeneric();
-    ~wxRegionGeneric();
+    virtual ~wxRegionGeneric();
 
     bool Ok() const { return m_refData != NULL; }
 
@@ -109,7 +109,7 @@ public:
     wxRegionIteratorGeneric();
     wxRegionIteratorGeneric(const wxRegionGeneric& region);
     wxRegionIteratorGeneric(const wxRegionIteratorGeneric& iterator);
-    ~wxRegionIteratorGeneric();
+    virtual ~wxRegionIteratorGeneric();
 
     wxRegionIteratorGeneric& operator=(const wxRegionIteratorGeneric& iterator);