[wwwdocs] Mention libstdc++-v3 <regex> in 4.9 changes.html

[Tim Shen]

Committed.

Thanks!

On Wed, Oct 2, 2013 at 11:12 AM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 2 October 2013 15:52, Tim Shen wrote:
>> I feel little bit uncomfortable with "new ISO C++ standard, C++11",
>> since C++14 is already there, so I removed it.
>
> Good idea.
>
>> Please check the words, since English is not my first language >.<
>
> The english is fine, please wait a few hours in case anyone else has
> comments, but if you don't hear anything else you can go ahead and
> commit it.



-- 
Tim Shen