[patch] rearrange configure.in for my benefit. :-)

[DJ Delorie]

> Move things so that copydirs is handled right after it's set, rather than
> with intervening stuff.  Also convert some 'test's to a case statement,
> for speed and clarity.
> Tested on i686-pc-linux-gnu, no output changes.
> 
> 2002-06-19  Nathanael Nerode  <neroden@twcny.rr.com>
> 	* configure.in: Rearrange.

Approved and applied, but I shared the ChangeLog entry from your
"Rearranged a little." patch ;)