"norm" length for zero-sized vectors should be zero (fixing r219)

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@223 bbaffbd6-741e-11dd-a85d-61de82d9cad9

pycam/Geometry/Point.py

@@ -47,7 +47,7 @@ class Point:
             self.x /= n
             self.y /= n
             self.z /= n
-        self._norm = 1.0
-        self._normsq = 1.0
+            self._norm = 1.0
+            self._normsq = 1.0
         return self