RFC: Disable clone3 for glibc 2.34

[Florian Weimer]

* Andreas K. Huettel via Libc-alpha:

> Semi-related...
>
>>    int ret;
>> -#ifdef HAVE_CLONE3_WAPPER
>> -  /* Try clone3 first.  */
>> -  int saved_errno = errno;
>
> shouldn't this be WRAPPER ?
>
> (It seems to be consistent in the code, so no harm done so far...)

Yes, it should be.  And yes, it's currently consistent.  But it's
confusing if you search for it and don't make the typo.

Thanks,
Florian