a few minor kldstat fixes

[Alexander Best]

On Thu Oct 21 10, Garrett Cooper wrote:
> 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.

i don't think the current behavior should be changed. some people might have
something like 'kldstat -i X -n Y' in their scripts expect "-n Y" to override
"-i X", instead of having kldstat fail.

> Thanks!
> -Garrett

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a13x