[Buildroot] [RFC/next 1/1] package/hostapd: enable MD4 in openssl

[Sergey Matyukevich]

Hello Yann,

> > Hostapd assumes that openssl always provides MD4 support. However MD4
> > support in openssl has become optional since  commit a83d41867c8d
> > ("package/libopenssl: add option to enable some features").
> > 
> > Select openssl MD4 support in hostapd Kconfig to avoid build failures.
> > 
> > Fixes:
> > http://autobuild.buildroot.net/results/09ce1d8009da98cd2a3f2c8488abaa9f060a9d6b/
> > 
> > Signed-off-by: Sergey Matyukevich <geomatsi at gmail.com>
> 
> Applied to next, thanks.

Once again I forgot about wpa_supplicant. It has the same issue, though
not yet in autobuilder. I will double-check build and send another fix.

Regards,
Sergey