Misc: modernize C++: use override

src/Mod/Mesh/App/Core/Visitor.h

@@ -123,10 +123,10 @@ class MeshExport MeshTopFacetVisitor : public MeshFacetVisitor
 {
 public:
     MeshTopFacetVisitor (std::vector<FacetIndex> &raulNB) : _raulNeighbours(raulNB) {}
-    ~MeshTopFacetVisitor () override {}
+    ~MeshTopFacetVisitor () override = default;
     /** Collects the facet indices. */
-    virtual bool Visit (const MeshFacet &rclFacet, const MeshFacet &rclFrom,
-                        FacetIndex ulFInd, unsigned long) override
+    bool Visit (const MeshFacet &rclFacet, const MeshFacet &rclFrom,
+                FacetIndex ulFInd, unsigned long) override
     {
         (void)rclFacet;
         (void)rclFrom;

src/Mod/Path/Gui/TaskDlgPathCompound.h

@@ -75,7 +75,7 @@ public:
     void helpRequested() override;
 
     /// returns for Close and Help button
-    virtual QDialogButtonBox::StandardButtons getStandardButtons() const override
+    QDialogButtonBox::StandardButtons getStandardButtons() const override
     { return QDialogButtonBox::Ok|QDialogButtonBox::Cancel; }
 
 protected:

src/Mod/Path/Gui/ViewProviderPath.h

@@ -73,7 +73,7 @@ public:
     std::vector<std::string> getDisplayModes() const override;
     void updateData(const App::Property*) override;
     void recomputeBoundingBox();
-    virtual QIcon getIcon() const override;
+    QIcon getIcon() const override;
 
     bool useNewSelectionModel() const override;
     std::string getElement(const SoDetail *) const override;

src/Mod/Sketcher/Gui/DrawSketchHandlerTrimming.h

@@ -71,7 +71,7 @@ class DrawSketchHandlerTrimming: public DrawSketchHandler
 {
 public:
     DrawSketchHandlerTrimming() = default;
-    virtual ~DrawSketchHandlerTrimming()
+    ~DrawSketchHandlerTrimming() override
     {
         Gui::Selection().rmvSelectionGate();
     }

src/Mod/TechDraw/App/PropertyCosmeticEdgeList.h

@@ -52,7 +52,7 @@ public:
      * A destructor.
      * A more elaborate description of the destructor.
      */
-    virtual ~PropertyCosmeticEdgeList() override;
+    ~PropertyCosmeticEdgeList() override;
 
     void setSize(int newSize) override;
     int getSize(void) const override;

src/Mod/TechDraw/Gui/TaskDimRepair.h

@@ -48,7 +48,7 @@ class TaskDimRepair: public QWidget
 
 public:
     TaskDimRepair(TechDraw::DrawViewDimension* inDvd);
-    ~TaskDimRepair();
+    ~TaskDimRepair() override;
 
 public:
     virtual bool accept();
@@ -58,7 +58,7 @@ protected Q_SLOTS:
     void slotUseSelection();
 
 protected:
-    void changeEvent(QEvent* e);
+    void changeEvent(QEvent* e) override;
 
     void setUiPrimary();
     void replaceReferences();