bug#24117: 25.1; url-http-create-request: Multibyte text in HTTP request

[Eli Zaretskii]

> From: Sho Takemori <stakemorii@gmail.com>
> Date: Sat, 13 Aug 2016 16:31:56 +0900
> Cc: Brief Busters <dgutov@yandex.ru>, Lars Ingebrigtsen <larsi@gnus.org>, 
> schwab@linux-m68k.org, 
>       24117@debbugs.gnu.org
> 
> > I guess we need to run url-mime-charset-string through
> > url-http--encode-string as well. Can you try that?
> 
> Yes. I attached a patch.

Thanks.  I pushed a slightly different fix, please test it.