diff --git a/src/slic3r/Utils/UndoRedo.hpp b/src/slic3r/Utils/UndoRedo.hpp index 92946d761..b08e410ff 100644 --- a/src/slic3r/Utils/UndoRedo.hpp +++ b/src/slic3r/Utils/UndoRedo.hpp @@ -1,8 +1,10 @@ #ifndef slic3r_Utils_UndoRedo_hpp_ #define slic3r_Utils_UndoRedo_hpp_ +#include #include #include +#include #include