From 547796db531e43b7e228fc7f158931e89b090a74 Mon Sep 17 00:00:00 2001
From: Tamito Kajiyama <rd6t-kjym@asahi-net.or.jp>
Date: Tue, 16 Apr 2013 07:13:49 +0000
Subject: [PATCH] Fix for line instability with the Polygonization geometry
 modifier. Extra long straight lines showed up randomly due to the use of an
 uninitialized variable as a line length parameter.

---
 source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp b/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
index c507f137f4c..af3b7f09c31 100644
--- a/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
+++ b/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
@@ -925,6 +925,7 @@ public:
 
 	CurvePiece(StrokeInternal::StrokeVertexIterator b, StrokeInternal::StrokeVertexIterator l, int iSize)
 	{
+		_error = 0.0f;
 		_begin = b;
 		_last = l;
 		A = Vec2d((_begin)->x(), (_begin)->y());