Update mods/board/active.php

If it is the users_limit'th comment, it will assume to start thread at comment users_limit'th, which will show an empty thread.

To fix, if 0, then 0, else subtract 1.
Update mods/board/new.php

If it is the users_limit'th comment, it will assume to start thread at comment users_limit'th, which will show an empty thread.

To fix, if 0, then 0, else subtract 1.

Additionally fixed the anchor link from '#' to #com'
Merge pull request #6 from atajsic/master

Update to mods/board/active.php and mods/board/new.php