Similar plugin but compatible to latest wp version 3.5.2
http://wordpress.org/plugins/wp-category-permalink/
This plugin allows you to select a ‘main’ category for your posts, for better permalinks and SEO. It uses the same meta data as the “Hikari Category Permalink” and the “sCategory Permalink”, but it has been rewritten using better and cleaner code.
Requires: WP 3.5 or higher
Compatible up to: 3.5.2
Last Updated: 2013-4-18