Use override for destructors

src/blackgui/editors/aircrafticaoform.h

@@ -40,7 +40,7 @@ namespace BlackGui
             explicit CAircraftIcaoForm(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CAircraftIcaoForm();
+            virtual ~CAircraftIcaoForm() override;
 
             //! Get value
             BlackMisc::Aviation::CAircraftIcaoCode getValue() const;

src/blackgui/editors/aircraftpartsform.h

@@ -36,7 +36,7 @@ namespace BlackGui
             explicit CAircraftPartsForm(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CAircraftPartsForm();
+            virtual ~CAircraftPartsForm() override;
 
             //! \name Form class implementations
             //! @{

src/blackgui/editors/pilotform.h

@@ -35,7 +35,7 @@ namespace BlackGui
             explicit CPilotForm(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CPilotForm();
+            virtual ~CPilotForm() override;
 
             //! Set VATSIM validation mode
             void setVatsimValidation(bool vatsim);

src/blackgui/editors/serverform.h

@@ -39,7 +39,7 @@ namespace BlackGui
             explicit CServerForm(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CServerForm();
+            virtual ~CServerForm() override;
 
             //! Set server
             void setServer(const BlackMisc::Network::CServer &server);

src/blackgui/editors/situationform.h

@@ -37,7 +37,7 @@ namespace BlackGui
             explicit CSituationForm(QWidget *parent = nullptr);
 
             //! Destructor
-            virtual ~CSituationForm();
+            virtual ~CSituationForm() override;
 
             //! Set the situation
             void setSituation(const BlackMisc::Aviation::CAircraftSituation &situation);

src/blackgui/editors/validationindicator.h

@@ -42,7 +42,7 @@ namespace BlackGui
             explicit CValidationIndicator(QWidget *parent = nullptr);
 
             //! Destructor
-            ~CValidationIndicator();
+            ~CValidationIndicator() override;
 
             //! Validation passed
             void passed();