Fixed #8515 -- Fixed validation of Polish REGON numbers.
Fixed #8515 -- Fixed validation of Polish REGON numbers.

Patch from Piotr Lewandowski.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@10460 bcc190cf-cafb-0310-a4f2-bffc1f526a37

panczypani/django-localflavor-pl