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-rw-r--r--src/snapper.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/snapper.h b/src/snapper.h
index 63f68173a..508ba7b9a 100644
--- a/src/snapper.h
+++ b/src/snapper.h
@@ -16,6 +16,7 @@
#include <list>
#include "libnr/nr-coord.h"
#include "libnr/nr-point.h"
+#include "libnr/nr-maybe.h"
#include "snapped-point.h"
#include "snapped-line.h"
@@ -76,7 +77,7 @@ public:
std::vector<NR::Point> &points_to_snap,
std::list<SPItem const *> const &it,
std::vector<NR::Point> *unselected_nodes) const;
-
+
class ConstraintLine
{
public: