Added a missing include (GCC 11.1)

2021-08-07 08:29:32 +02:00 · 2021-08-07 08:29:32 +02:00 · b174dacc85
commit b174dacc85
parent 0ccc791750
1 changed files with 1 additions and 0 deletions
--- a/src/libslic3r/QuadricEdgeCollapse.cpp
+++ b/src/libslic3r/QuadricEdgeCollapse.cpp
@ -1,5 +1,6 @@
 #include "QuadricEdgeCollapse.hpp"
 #include <tuple>
+#include <optional>
 #include "MutablePriorityQueue.hpp"
 #include "SimplifyMeshImpl.hpp"
 #include <tbb/parallel_for.h>