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git2svn
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2022-08-22T02:40:44.386613Z
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V 815
syslog(3): unbreak log generation using fabricated PID

Recover application ability to supply fabricated PID
embedded into ident that was lost when libc switched
to generation of RFC 5424 log messages, for example:

logger -t "ident[$$]" -p user.notice "test"

It is essential for long running scripts.
Also, this change unbreaks matching resulted entries
by ident in syslog.conf:

!ident
*.* /var/log/ident.log

Without the fix, the log (and matching) was broken:

Aug  1 07:36:58 hostname ident[123][86483]: test

Now it works as expected and worked before breakage:

Aug  1 07:39:40 hostname ident[123]: test

Differential:	https://reviews.freebsd.org/D36005

(cherry picked from commit e9ae9fa93745669b7dd0341d333257ad6cfe8e37)

Git Hash:   09387f73b1a8a1b9359c1e92f5a5c6aea61aefce
Git Author: eugen@FreeBSD.org
END