From 9154aa17eb1c20acd75dc40199910aa80de3f798 Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@icinga.com>
Date: Tue, 2 Feb 2021 10:44:02 +0100
Subject: [PATCH] Fix missing include

---
 lib/base/logger.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/base/logger.hpp b/lib/base/logger.hpp
index 59220b2fb..9a53e13cf 100644
--- a/lib/base/logger.hpp
+++ b/lib/base/logger.hpp
@@ -6,7 +6,7 @@
 #include "base/i2-base.hpp"
 #include "base/logger-ti.hpp"
 #include <set>
-#include <iosfwd>
+#include <sstream>
 
 namespace icinga
 {