Woocommerce – Subcategories in Permalink

There is a problem that sells dietary Woocommerce
Described at this link:
http://blog.peterkling.info/post/31007977292/woocommerce-subcategories-in-permalink
Link appears in the solution of the problem, and this solution actually solved the problem.
After updating the plugin Woocommerce to 2.1.2
The problem repeated code in the link does not solve the problem more
Does anyone have a solution?
Thanks