BUG - wrong next page path when pages >= 3

[chemharuka]

change paginate:6 in _config.yml to paginate:3
build site
go to ~/page2
URL of NEXT: ./page3 (~/page2/page3)

How to fix:
edit _includes/pagination.html line 6, add one more dot:
<a href="..{{ paginator.next_page_path }}" ……