From 53539a5993e0382ab7125b5648ac2b32f18b0e6a Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Mon, 8 Feb 2021 08:10:14 +0100
Subject: [PATCH] Added a missing include

---
 src/libslic3r/Brim.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/Brim.cpp b/src/libslic3r/Brim.cpp
index 0dc528819..78a6bad70 100644
--- a/src/libslic3r/Brim.cpp
+++ b/src/libslic3r/Brim.cpp
@@ -9,6 +9,7 @@
 
 #include <algorithm>
 #include <numeric>
+#include <unordered_set>
 #include <tbb/parallel_for.h>
 
 #ifndef NDEBUG