From 22a895f45cf37484478929e6c41a392e479fd28a Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Fri, 15 Feb 2019 13:04:01 +0100
Subject: [PATCH] fix Button_Brush_FX()

the test on Quit_is_required was wrong
---
 src/buttons.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/buttons.c b/src/buttons.c
index 2d6d76cf..98e7fa35 100644
--- a/src/buttons.c
+++ b/src/buttons.c
@@ -4042,7 +4042,7 @@ void Button_Brush_FX(int btn)
       clicked_button=1;
     }
   }
-  while (clicked_button<=0 && Quit_is_required);
+  while (clicked_button<=0 && !Quit_is_required);
 
   Close_window();
   Unselect_button(btn);