From 655bc344d47bc79e500a351c2953f6b5003f40ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?louiz=E2=80=99?= <louiz@louiz.org>
Date: Tue, 26 May 2020 21:06:36 +0200
Subject: Add a missing ostream include

Makes the build fail, on some condition.

fix #3434
---
 src/utils/optional_bool.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/utils/optional_bool.hpp b/src/utils/optional_bool.hpp
index 3d00d23..ebd063d 100644
--- a/src/utils/optional_bool.hpp
+++ b/src/utils/optional_bool.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <ostream>
 #include <string>
 
 struct OptionalBool
-- 
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