From 703c2e726a75cbedb43d3105f9e0b2bab9e59e77 Mon Sep 17 00:00:00 2001
From: Jed Barber <jjbarber@y7mail.com>
Date: Wed, 10 May 2017 20:07:16 +1000
Subject: Fixed Finalize inheritance bug

---
 src/fltk-widgets-inputs-outputs.adb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/fltk-widgets-inputs-outputs.adb')

diff --git a/src/fltk-widgets-inputs-outputs.adb b/src/fltk-widgets-inputs-outputs.adb
index 8aa7021..6e6ff95 100644
--- a/src/fltk-widgets-inputs-outputs.adb
+++ b/src/fltk-widgets-inputs-outputs.adb
@@ -59,10 +59,11 @@ package body FLTK.Widgets.Inputs.Outputs is
     procedure Finalize
            (This : in out Output) is
     begin
-        if  This in Output and then
-            This.Void_Ptr /= System.Null_Address
+        if  This.Void_Ptr /= System.Null_Address and then
+            This in Output'Class
         then
             free_fl_output (This.Void_Ptr);
+            This.Void_Ptr := System.Null_Address;
         end if;
         Finalize (Input (This));
     end Finalize;
-- 
cgit