netcfgx: Add INetCfg interface support

[Alistair Leslie-Hughes]

On 21/03/2014 11:25 AM, Marvin wrote:
> Hi,
>
> While running your changed tests on Windows, I think I found new failures.
> Being a bot and all I'm not very good at pattern recognition, so I might be
> wrong, but could you please double-check?
> Full results can be found at
> https://newtestbot.winehq.org/JobDetails.pl?Key=5820
>
> Your paranoid android.
>
This is due to the missing configure.ac/configure in the patch.

Should we include configure.ac nowadays?

Best Regards
  Alistair Leslie-Hughes