From 71f645a6ed0522bc49fe57f8cabf17f2a1e0b29e Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 19 Jun 2019 13:11:09 +0200
Subject: Fix building for Windows platform when HAVE_GL_OVERLAY is set to 1

---
 src/Fl_Gl_Window_Driver.H | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/Fl_Gl_Window_Driver.H')

diff --git a/src/Fl_Gl_Window_Driver.H b/src/Fl_Gl_Window_Driver.H
index 56dc2a873..9d28c1f22 100644
--- a/src/Fl_Gl_Window_Driver.H
+++ b/src/Fl_Gl_Window_Driver.H
@@ -136,6 +136,7 @@ class Fl_WinAPI_Gl_Window_Driver : public Fl_Gl_Window_Driver {
   virtual void invalidate() {}
   virtual int flush_begin(char& valid_f);
   virtual void hide_overlay(void *& overlay);
+  virtual void hide_overlay();
   virtual Fl_Gl_Choice *find(int m, const int *alistp);
   virtual GLContext create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer = 0);
   virtual void set_gl_context(Fl_Window* w, GLContext context);
@@ -150,6 +151,7 @@ class Fl_WinAPI_Gl_Window_Driver : public Fl_Gl_Window_Driver {
 #if HAVE_GL_OVERLAY
   virtual int can_do_overlay();
   virtual int overlay_color(Fl_Color i);
+  void make_overlay(void*&overlay);
 #endif
 };
 
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