Change ~wxPGChoicesData from private to protected

include/wx/propgrid/property.h

@@ -803,6 +803,7 @@ public:
 private:
     wxVector<wxPGChoiceEntry>   m_items;
 
+protected:
     virtual ~wxPGChoicesData();
 };
 

interface/wx/propgrid/property.h

@@ -2121,6 +2121,9 @@ public:
 
     const wxPGChoiceEntry& Item( unsigned int i ) const;
     wxPGChoiceEntry& Item( unsigned int i );
+
+protected:
+    virtual ~wxPGChoicesData();
 };
 
 #define wxPGChoicesEmptyData    ((wxPGChoicesData*)NULL)