Add Q_GETNEXTQUOTA from Linux 4.6 to sys/quota.h

[Florian Weimer]

On 05/18/2016 02:05 PM, Joseph Myers wrote:
> This patch adds Q_GETNEXTQUOTA, new in Linux 4.6, to
> sysdeps/unix/sysv/linux/sys/quota.h.
>
> Tested for x86_64 and x86 (testsuite, and that installed shared
> libraries are unchanged by the patch).
>
> 2016-05-18  Joseph Myers  <joseph@codesourcery.com>
>
> 	* sysdeps/unix/sysv/linux/sys/quota.h [_LINUX_QUOTA_VERSION >= 2]
> 	(Q_GETNEXTQUOTA): New macro.

I compared this against the Linux kernel sources.  Looks good to me.

Thanks,
Florian