perltodo.pod: Add more detail about @INC order.

diff -r -u perl-current/pod/perltodo.pod
perl-andy/pod/perltodo.pod
--- perl-current/pod/perltodo.pod	2007-10-22
11:44:08.000000000 -0400
+++ perl-andy/pod/perltodo.pod	2007-10-22 16:40:37.000000000
-0400
 -336,7
+336,9 
 
 The way INC is laid out by default, one cannot upgrade core
(dual-life)
 modules without overwriting files. This causes problems for
binary
-package builders.
+package builders.  One possible proposal is laid out in
this
+message:
+L<http://www.xray.mpe.mpg.de/mail
ing-lists/perl5-porters/2002-04/msg02380.html>.
 
 =head2 -Duse32bit*
 
-- 
    Andy Dougherty		dougheralafayette.edu

On Mon, Oct 22, 2007 at 04:42:44PM -0400, Andy Dougherty
wrote:
> diff -r -u perl-current/pod/perltodo.pod
perl-andy/pod/perltodo.pod
> --- perl-current/pod/perltodo.pod	2007-10-22
11:44:08.000000000 -0400
> +++ perl-andy/pod/perltodo.pod	2007-10-22
16:40:37.000000000 -0400
>  -336,7 +336,9 
>  
>  The way INC is laid out by default, one cannot
upgrade core (dual-life)
>  modules without overwriting files. This causes
problems for binary
> -package builders.
> +package builders.  One possible proposal is laid out
in this
> +message:
> +L<http://www.xray.mpe.mpg.de/mail
ing-lists/perl5-porters/2002-04/msg02380.html>.
>  
>  =head2 -Duse32bit*
>  

Thanks applied (change 32173)

Nicholas Clark