Use `FL_OVERRIDE` for all overridden virtual methods (#611)

FL_OVERRIDE is defined as `override` for C++11 and higher
FL_OVERRIDE is defined as `override` for VisualC 2015 and newer
Don't interfere with Fl_Widget::override()

1 files changed, 5 insertions, 5 deletions

diff --git a/src/drivers/Cairo/Fl_Display_Cairo_Graphics_Driver.H b/src/drivers/Cairo/Fl_Display_Cairo_Graphics_Driver.H
index 76986af9a..7c514b1cf 100644
--- a/src/drivers/Cairo/Fl_Display_Cairo_Graphics_Driver.H
+++ b/src/drivers/Cairo/Fl_Display_Cairo_Graphics_Driver.H
@@ -27,11 +27,11 @@ class Fl_Display_Cairo_Graphics_Driver : public Fl_Cairo_Graphics_Driver {
 private:
   static void *gc_;
 public:
-  virtual void scale(float f);
-  virtual float scale() {return Fl_Graphics_Driver::scale();}
-  virtual void gc(void *value);
-  virtual void* gc();
-  virtual void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
+  void scale(float f) FL_OVERRIDE;
+  float scale() {return Fl_Graphics_Driver::scale();}
+  void gc(void *value) FL_OVERRIDE;
+  void* gc() FL_OVERRIDE;
+  void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy) FL_OVERRIDE;
  };
 
 #endif // FL_DISPLAY_CAIRO_GRAPHICS_DRIVER_H