Fix build with gcc11

This commit is contained in:
tamasmeszaros 2021-07-15 10:18:03 +02:00
parent 16e41ab819
commit 6a1c75e5ee

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@ -8,6 +8,7 @@
#include <functional> #include <functional>
#include <limits> #include <limits>
#include <cassert> #include <cassert>
#include <optional>
namespace Slic3r { namespace opt { namespace Slic3r { namespace opt {