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, 3 insertions, 3 deletions

diff --git a/src/Fl_Tooltip.cxx b/src/Fl_Tooltip.cxx
index 35898dc05..f77b668e9 100644
--- a/src/Fl_Tooltip.cxx
+++ b/src/Fl_Tooltip.cxx
@@ -52,16 +52,16 @@ public:
     set_tooltip_window();
     end();
   }
-  void draw();
+  void draw() FL_OVERRIDE;
   void layout();
   /** Shows the tooltip windows only if a tooltip text is available. */
-  void show() {
+  void show() FL_OVERRIDE {
     if (!tip) return;
 
     Fl_Menu_Window::show();
   }
 
-  int handle(int e) {
+  int handle(int e) FL_OVERRIDE {
     if (e == FL_PUSH || e == FL_KEYDOWN) {
       hide();
       Fl::remove_timeout(tooltip_hide_timeout);