Small fix for path intersections

extensions/fablabchemnitz_path_intersections.inx

@@ -15,4 +15,4 @@
   <script>
     <command location="inx" interpreter="python">fablabchemnitz_path_intersections.py</command>
   </script>
-</inkscape-extension>
+</inkscape-extension>

extensions/fablabchemnitz_path_intersections.py

@@ -248,9 +248,8 @@ class IntersectionChecker(Checker):
         subpaths.append(raw[prev:])
         seg = []
         for simpath in subpaths:
-            closed = False
             if simpath[-1][0] == 'Z':
-                closed = True
+                simpath[-1][0] = 'L'
                 if simpath[-2][0] == 'L': simpath[-1][1] = simpath[0][1]
                 else: simpath.pop()
             for i in range(len(simpath)):
@@ -421,4 +420,4 @@ class Precut(inkex.Effect):
 
 if __name__ == "__main__":
     logging.basicConfig(stream=sys.stderr, level=logging.WARNING, format="%(levelname)s %(message)s")
-    Precut().run()
+    Precut().run()