bug#22931: tests/split/filter.sh fails on an XFS file system

[Jim Meyering]

On Sun, Mar 6, 2016 at 7:36 PM, Jim Meyering <address@hidden> wrote:
> The split/filter.sh test would fail like this:
>
>   $ make check TESTS=tests/split/filter.sh VERBOSE=yes SUBDIRS=.
>   + truncate -s9223372036854775807 zero.in
>   + timeout 10 sh -c 'split --filter="head -c1 >/dev/null" -n 1 zero.in'
>   split: zero.in: cannot determine file size: Value too large for
> defined data type
>
> That value is 2^63-1 (nearly 8 exabytes), and split.c
> explicitly handles a file of that size, because that is
> the size reported for /dev/zero on GNU/Hurd systems,
> according to the comment.
>
> This fixes the test not to trigger that work-around:
> [I'll update the commit log with the issue URL as soon as it's assigned]

No feedback, so I presume no objection.
Pushed with the mentioned commit-log addition.