[PATCH] Tests for res_init

[Florian Weimer]

On 05/18/2017 10:05 PM, Siddhesh Poyarekar wrote:
> Why not just have a tst-resolv-res_init.c and
> tst-resolv-res_init-thread.c?  That's how a lot of the other similar
> kinds of tests are rewritten.  I don't have a very strong opinion on
> this though, you can choose the color of your shed :)

I do it this way so that I can use #if instead of #ifdef, following the
current guidelines to trigger -Wundef warnings on typos.

I'm going to push this without the tests expecting incorrect results.

Thanks,
Florian