MFC r334394:

auditpipe(4): fix some ioctl arguments in the man page

Fix the argument types for the AUDITPIPE_[GS]ET_PRESELECT_(NA)?FLAGS ioctls.
Also, fix some grammar.

[skip ci]

PR: 226713
Submitted by: aniketp
Sponsored by: Google, Inc. (GSoC 2018)
Differential Revision: https://reviews.freebsd.org/D15620

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

Fix type name: struct auditpipe_preselect is actually struct
auditpipe_ioctl_preselect.

MFC after: 3 days
Submitted by: Stacey D. Son <stacey at son.org>

Spelling fixes.

Revise markup.

Allow the user process to query the kernel's notion of a maximum
audit record size at run-time, which can be used by the user
process to size the user space buffer it reads into from the audit
pipe.

Perforce change: 105098
Obtained from: TrustedBSD Project

Fix minor typos.

Break out description of the audit pipe facility from audit.4 into a new
man page, auditpipe.4, which describes the behavior of audit pipes, the
ioctls, preselection, etc.

Obtained from: TrustedBSD Project