Mark overridden virtual functions

Use the new "override" keyword to properly differentiate between new
virtual methods, and existing virtual methods being overridden.

1 files changed, 4 insertions, 4 deletions

diff --git a/vncviewer/DesktopWindow.h b/vncviewer/DesktopWindow.h
index fd622c6d..ce7960ce 100644
--- a/vncviewer/DesktopWindow.h
+++ b/vncviewer/DesktopWindow.h
@@ -71,11 +71,11 @@ public:
   void handleClipboardData(const char* data);
 
   // Fl_Window callback methods
-  virtual void show();
-  virtual void draw();
-  virtual void resize(int x, int y, int w, int h);
+  void show() override;
+  void draw() override;
+  void resize(int x, int y, int w, int h) override;
 
-  virtual int handle(int event);
+  int handle(int event) override;
 
   void fullscreen_on();