From 0a84421ea4c60dd45bfd66c498fa8141e6664312 Mon Sep 17 00:00:00 2001
From: Vojtech Bubnik <bubnikv@gmail.com>
Date: Tue, 15 Nov 2022 19:20:16 +0100
Subject: [PATCH] Fixing after recent refactoring: Missing forward declaration.

---
 src/libslic3r/Arachne/SkeletalTrapezoidationGraph.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libslic3r/Arachne/SkeletalTrapezoidationGraph.hpp b/src/libslic3r/Arachne/SkeletalTrapezoidationGraph.hpp
index cfdbfecda..efda32383 100644
--- a/src/libslic3r/Arachne/SkeletalTrapezoidationGraph.hpp
+++ b/src/libslic3r/Arachne/SkeletalTrapezoidationGraph.hpp
@@ -10,6 +10,11 @@
 #include "SkeletalTrapezoidationEdge.hpp"
 #include "SkeletalTrapezoidationJoint.hpp"
 
+namespace Slic3r
+{
+class Line;
+};
+
 namespace Slic3r::Arachne
 {