[wwwdocs] Update libstdc++ download info

[Gerald Pfeifer]

On Tue, 15 Mar 2005, Jonathan Wakely wrote:
> The "downloading" section on http://gcc.gnu.org/libstdc++/ refers to
> snapshots of v3, which haven't been available for years.
> 
> The attached patch updates the text to say the sources are shipped along
> with the rest of the compiler.
> 
> OK to commit to wwwdocs?

Please make the mirrors.html links relative (that is, "../../mirrors.html"
or similar) and avoid lines longer than 76 lines.  Fine with these 
changes?

> Could ftp://sourceware.org/pub/libstdc++/README also get updated to say 
> that the directory is defunct and that the current libstdc++ sources are 
> included with the compiler sources?

Would you mind providing a patch against that README (or an updated 
README)?  I should be able to change that file then.

Gerald