Add destructor to BaseHoverHandler.

src/plugins/texteditor/basehoverhandler.cpp

@@ -52,6 +52,9 @@ BaseHoverHandler::BaseHoverHandler(QObject *parent) : QObject(parent)
             this, SLOT(editorOpened(Core::IEditor *)));
 }
 
+BaseHoverHandler::~BaseHoverHandler()
+{}
+
 void BaseHoverHandler::editorOpened(Core::IEditor *editor)
 {
     if (acceptEditor(editor)) {

src/plugins/texteditor/basehoverhandler.h

@@ -54,6 +54,7 @@ class TEXTEDITOR_EXPORT BaseHoverHandler : public QObject
     Q_OBJECT
 public:
     BaseHoverHandler(QObject *parent = 0);
+    virtual ~BaseHoverHandler();
 
 private slots:
     void editorOpened(Core::IEditor *editor);