bin/163934: [patch] usbconfig(8) sends help output to stderr instead of stdout

[Bruce Evans]

On Mon, 9 Jan 2012, Warren Block wrote:

> The user can request usage() output with -h or --help or something
> equivalent, and that output should go to stdout because it's not an error and 
> that data is what was requested.  IMO, of course.

This should probably be implemented by passing a FILE pointer to usage().

> usbconfig doesn't actually have a -h option, usage() output is just a default 
> fall-through.

Ugh.  It documents -h in its man page.  Its code doesn't even use getopt().
It uses a home made parser that accepts almost any random character as an
equivalent for -h.

Bruce