sysutils/syslog-ng: Fix plist error when building with PYTHON option

When building with python support:

---Begin OPTIONS List---

> The following configuration options are available for syslog-ng-4.4.0:

[...]

PYTHON=on: Build with Python 3.9 support

Some files are orphaned:

> Checking for items in STAGEDIR missing from pkg-plist

Error: Orphaned: lib/syslog-ng/python/syslogng/__pycache__/reloc%%PYTHON_EXT_SUFFIX%%.pyc
Error: Orphaned: lib/syslog-ng/python/syslogng/reloc.py

The initial patch was created by romain@ and the updated patch came from
Peter Czanik, a syslog-ng developer.

PR: 274187
Submitted by: Original patch by romain@
Submitted by: Peter Czanik (CzP) <peter.czanik@oneidentity.com>

                Balabit (a OneIdentity company) / syslog-ng upstream
		Updated patch

MFH: 2023Q4