a few minor kldstat fixes

[Garrett Cooper]

On Thu, Oct 21, 2010 at 10:46 AM, Alexander Best <arundel at freebsd.org> wrote:
> this patch fixes the following issues:
>
> - unbreak 'kldstat -i 999 -v' output
> - remove an unnecessary set of "{" and "}"
> - change printfile() to blend into the overall style used in kldstat.c
> - add a kldstat(8) entry to document the relationship between the "-i" and "-n" flags

    Might be better to say that the -i and -n options are mutually
exclusive in the manpage, and have the args parser parse out those two
cases and bail if both of them are set.
Thanks!
-Garrett