From c729d3b38ea241af6c1cd0561cecb115239d4f55 Mon Sep 17 00:00:00 2001
From: Joel Klinghed <the_jk@yahoo.com>
Date: Mon, 24 Jul 2017 23:43:27 +0200
Subject: Add missing = 0 to make method abstract

---
 src/gui_form.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/gui_form.hh b/src/gui_form.hh
index 190cf4e..d154518 100644
--- a/src/gui_form.hh
+++ b/src/gui_form.hh
@@ -14,7 +14,7 @@ public:
   public:
     virtual ~Listener() {}
 
-    virtual bool about_to_close(GuiForm* form);
+    virtual bool about_to_close(GuiForm* form) = 0;
 
   protected:
     Listener() {}
-- 
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