From 5b56adba59e3342bdfda1e195cde4dfda5d9ac5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Hejl?= <hejl.lukas@gmail.com>
Date: Wed, 8 Dec 2021 13:19:27 +0100
Subject: [PATCH] Added a missing include (GCC11.1 without PCH).

---
 src/slic3r/GUI/OptionsGroup.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/slic3r/GUI/OptionsGroup.cpp b/src/slic3r/GUI/OptionsGroup.cpp
index 9a066b8583..6039dcbcb9 100644
--- a/src/slic3r/GUI/OptionsGroup.cpp
+++ b/src/slic3r/GUI/OptionsGroup.cpp
@@ -8,6 +8,7 @@
 #include "format.hpp"
 
 #include <utility>
+#include <wx/bookctrl.h>
 #include <wx/numformatter.h>
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/classification.hpp>