From 0dd93cb5e120b1713aa2fef32de9e7dfd3dd8fb4 Mon Sep 17 00:00:00 2001
From: rkrolib <rkrolib@7f0cb862-5218-0410-a997-914c9d46530a>
Date: Tue, 25 Nov 2003 17:25:43 +0000
Subject: [PATCH] John reported, and fixed, a problem that recent changes
 caused for the Lorenz demo (seems to be WIN32 specific).

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@367 7f0cb862-5218-0410-a997-914c9d46530a
---
 freeglut/freeglut/src/freeglut_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/freeglut/freeglut/src/freeglut_main.c b/freeglut/freeglut/src/freeglut_main.c
index 17cf1ed..e5b7c50 100644
--- a/freeglut/freeglut/src/freeglut_main.c
+++ b/freeglut/freeglut/src/freeglut_main.c
@@ -157,6 +157,7 @@ static void fghRedrawWindowByHandle ( SFG_WindowHandleType handle )
 {
     SFG_Window* window = fgWindowByHandle( handle );
     freeglut_return_if_fail( window );
+    freeglut_return_if_fail( FETCH_WCB ( *window, Display ) );
 
     window->State.Redisplay = GL_FALSE;