Fix weak vtables

src/blackgui/components/dbmappingcomponentaware.h

@@ -25,6 +25,8 @@ namespace BlackGui
         class BLACKGUI_EXPORT CDbMappingComponentAware
         {
         public:
+
+
             //! Set the corresponding component
             virtual void setMappingComponent(CDbMappingComponent *component);
 
@@ -35,6 +37,9 @@ namespace BlackGui
             //! Constructor
             CDbMappingComponentAware(QObject *parent);
 
+            //! Destructor
+            virtual ~CDbMappingComponentAware() {}
+
         private :
             CDbMappingComponent *m_mappingComponent = nullptr; //!< reference to component
         };

src/blackgui/components/enablefordockwidgetinfoarea.h

@@ -63,6 +63,9 @@ namespace BlackGui
             //! \remarks Normally the info area will be provided later \sa setParentDockWidgetInfoArea
             CEnableForDockWidgetInfoArea(CDockWidgetInfoArea *parentInfoArea = nullptr);
 
+            // Destructor
+            virtual ~CEnableForDockWidgetInfoArea() {}
+
         private:
             BlackGui::CDockWidgetInfoArea *m_parentDockableInfoArea = nullptr; //!< my parent dockable widget
             BlackMisc::CConnectionGuard    m_connections;