[CRIU] Fix building against 4.18

[Radostin Stoyanov]

On 10/07/18 05:47, Andrei Vagin wrote:
> Radostin,
>
> What do you think about these patches?
They look good to me, although I don't like that we have to duplicate
the code of "aio.h" into "test/zdtm/static/aio01.c", but I am not sure
if we can do something about this.

Radostin
> For me, it looks good.
>
> On Mon, Jul 09, 2018 at 06:28:25AM +0000, Adrian Reber wrote:
>> In one of the patch discussion about 4.18 it was mentioned that maybe
>> it would make sense to pull in the aio kernel headers into CRIU.
>>
>> With the following two patches travis is really happy and CRIU
>> passes compile and test again also with 4.18.
>>
>> There has been some movement on the kernel side, so not sure if we
>> should really merge this patch or not:
>>
>> https://lore.kernel.org/lkml/20180708204359.GA19198@lst.de/
>>
>> Maybe merge it now and revert it later once the kernel is fixed.
>>
>> 		Adrian