Modeling: Fix compile for gcc 4.7.3

This partially reverts 5f31eee37c.

Change-Id: I5e1150b7535bbd5366d63be5c44fffd2ec3beb5c
Reviewed-by: Jochen Becher <jochen_becher@gmx.de>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/libs/3rdparty/modeling/qmt/config/stringtextsource.h

@@ -41,7 +41,7 @@ class QMT_EXPORT StringTextSource : public ITextSource
 {
 public:
     StringTextSource();
-    ~StringTextSource() override;
+    ~StringTextSource();
 
     void setText(const QString &text);
     int sourceId() const { return m_sourceId; }

src/libs/3rdparty/modeling/qmt/config/textsource.h

@@ -54,7 +54,7 @@ public:
 class ITextSource
 {
 public:
-    virtual ~ITextSource() = default;
+    virtual ~ITextSource() {}
 
     virtual SourceChar readNextChar() = 0;
 };

src/libs/3rdparty/modeling/qmt/diagram/dconstvisitor.h

@@ -50,7 +50,7 @@ class DBoundary;
 class DConstVisitor
 {
 public:
-    virtual ~DConstVisitor() = default;
+    virtual ~DConstVisitor() {}
 
     virtual void visitDElement(const DElement *element) = 0;
     virtual void visitDObject(const DObject *object) = 0;

src/libs/3rdparty/modeling/qmt/diagram/dvisitor.h

@@ -50,7 +50,7 @@ class DBoundary;
 class DVisitor
 {
 public:
-    virtual ~DVisitor() = default;
+    virtual ~DVisitor() {}
 
     virtual void visitDElement(DElement *element) = 0;
     virtual void visitDObject(DObject *object) = 0;

src/libs/3rdparty/modeling/qmt/diagram_scene/capabilities/alignable.h

@@ -50,7 +50,7 @@ public:
         AlignSize
     };
 
-    virtual ~IAlignable() = default;
+    virtual ~IAlignable();
 
     virtual void align(AlignType alignType, const QString &identifier) = 0;
 };

src/libs/3rdparty/modeling/qmt/diagram_scene/capabilities/latchable.h

@@ -78,7 +78,7 @@ public:
         QString m_identifier;
     };
 
-    virtual ~ILatchable() = default;
+    virtual ~ILatchable();
 
     virtual QList<Latch> horizontalLatches(Action action, bool grabbedItem) const = 0;
     virtual QList<Latch> verticalLatches(Action action, bool grabbedItem) const = 0;

src/libs/3rdparty/modeling/qmt/diagram_scene/items/stereotypedisplayvisitor.h

@@ -45,7 +45,7 @@ class StereotypeDisplayVisitor : public DConstVoidVisitor
 {
 public:
     StereotypeDisplayVisitor();
-    ~StereotypeDisplayVisitor() override;
+    ~StereotypeDisplayVisitor();
 
     void setModelController(ModelController *modelController);
     void setStereotypeController(StereotypeController *stereotypeController);

src/libs/3rdparty/modeling/qmt/model_widgets_ui/propertiesviewmview.h

@@ -67,7 +67,7 @@ class QMT_EXPORT PropertiesView::MView : public QObject, public MConstVisitor, p
 
 public:
     explicit MView(PropertiesView *propertiesView);
-    ~MView() override;
+    ~MView();
 
     QWidget *topLevelWidget() const { return m_topWidget; }
 

src/libs/3rdparty/modeling/qmt/tasks/alignonrastervisitor.h

@@ -44,7 +44,7 @@ class QMT_EXPORT AlignOnRasterVisitor : public DVisitor
 {
 public:
     AlignOnRasterVisitor();
-    ~AlignOnRasterVisitor() override;
+    ~AlignOnRasterVisitor();
 
     void setDiagramController(DiagramController *diagramController);
     void setSceneInspector(ISceneInspector *sceneInspector);