Update to Fortran "invoke" documentation about the features -finit-<type> *really* provides.

[Steve Kargl]

On Mon, Dec 05, 2011 at 07:21:59PM +0100, Toon Moene wrote:
> 
> 2011-12-05  Toon Moene  <toon@moene.org>
> 
> 	PR/51310
> 	invoke.texi: Itemize the cases for which -finit-<type> doesn't
> 	work.
> 
> OK for trunk ? (and perhaps later for the 4.6 branch ?
> 

Looks good to me.  You can apply it to the 4.6 branch 
if you have time.

-- 
Steve