From cedde5ac1568a37db2e89df8bd58c5e96d257a6c Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Wed, 18 Aug 2021 15:29:51 +0200
Subject: [PATCH] Fix build on Linux (gcc 8.4)

---
 src/slic3r/GUI/ButtonsDescription.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/slic3r/GUI/ButtonsDescription.hpp b/src/slic3r/GUI/ButtonsDescription.hpp
index 921ce796ef1..fbed36c2abc 100644
--- a/src/slic3r/GUI/ButtonsDescription.hpp
+++ b/src/slic3r/GUI/ButtonsDescription.hpp
@@ -5,6 +5,7 @@
 #include <vector>
 
 class ScalableBitmap;
+class wxColourPickerCtrl;
 
 namespace Slic3r {
 namespace GUI {