fixed merging mistake

git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@161 bbaffbd6-741e-11dd-a85d-61de82d9cad9

pycam/PathGenerators/DropCutter.py

@@ -158,6 +158,7 @@ class DropCutter:
                 height_max = cut.z
                 cut_max = cut
                 triangle_max = t
+                self._cut_last = cut
         if not cut_max or not dim_height.check_bounds(cut_max.z):
             cut_max = Point(x.get(), y.get(), dim_height.end)
         if self._cut_last and ((triangle_max and not self._triangle_last) or (self._triangle_last and not triangle_max)):