git: 3e609fd481c0 - main - pf: add note about changes ported from OpenBSD after 4.5

The branch main has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=3e609fd481c07802fe837ed834c3710b8c19493c

commit 3e609fd481c07802fe837ed834c3710b8c19493c
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2023-09-27 17:59:30 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2023-09-28 12:19:40 +0000

    pf: add note about changes ported from OpenBSD after 4.5
    
    The last comprehensive sync with OpenBSD's pf corresponds to
    OpenBSD 4.5, but many changes have been ported over since then.
    
    Reviewed by:    kp, gbe, Kajetan Staszkiewicz <vegeta@tuxpowered.net>
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D42002
---
 share/man/man4/pf.4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/share/man/man4/pf.4 b/share/man/man4/pf.4
index c4c1d6cc8604..67d85b7b1a92 100644
--- a/share/man/man4/pf.4
+++ b/share/man/man4/pf.4
@@ -1228,6 +1228,9 @@ and then
 .Pp
 This implementation is derived from
 .Ox 4.5 .
+A number of individual features, improvements, bug fixes and security fixes
+have been ported from later versions of
+.Ox .
 It has been heavily modified to be capable of running in multithreaded
 .Fx
 kernel and scale its performance on multiple CPUs.