Use local coordinates and not global coordinates in close()

When getting the endPoint in close() ; use local coordinates and not global coordinates.

It does matter when the origin of the workplane is moved.

cadquery/cq.py

@@ -1773,7 +1773,7 @@ def close(self):
 
             s = Workplane().lineTo(1,0).lineTo(1,1).close().extrude(0.2)
         """
-        endPoint = self._findFromPoint(False)
+        endPoint = self._findFromPoint(True)
         startPoint = self.ctx.firstPoint
 
         # Check if there is a distance between startPoint and endPoint

tests/TestCadQuery.py

@@ -1607,3 +1607,13 @@ def testClose(self):
 
         # The b shape shall have twice the volume of the a shape.
         self.assertAlmostEqual(a.val().wrapped.Volume * 2.0, b.val().wrapped.Volume)
+
+        # Testcase 3 from issue #238
+        thickness = 3
+        length = 10
+        width = 5
+
+        obj = Workplane('XY', origin=(0, 0, -thickness / 2)) \
+            .moveTo(length / 2, 0).threePointArc((0, width / 2), (-length / 2, 0)) \
+            .threePointArc((0, -width / 2), (length / 2, 0)) \
+            .close().extrude(thickness)