syslogd: Adopt FreeBSD -F instead of -n to run in foreground

This change will probably break most installations.  We do this to free
up '-n' for use as disabling DNS lookups, from FreeBSD *and* NetBSD.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

ChangeLog.md

@@ -27,12 +27,13 @@ and a replacement for `syslog.h` to enable new features in RFC5424.
 - New tool `logger` from the Finit project, BSD licensed
 - New `syslogp()` API from NetBSD, for applications wanting to use
   RFC5424 features like MsgID or structured data
-- Incompatible changes to command line options for `syslogd` and
-  `klogd`, e.g;
+- Incompatible changes to command line options in `syslogd` and `klogd`
+  for compatiblity with FreeBSD and NetBSD syslogd:
   - In syslogd: `-b` and `-c` have been replaced with `-r` for global
     log rotation, `-a` has been replaced with the new `-p` support.  The
     `-r` flag and `-s HOST` has also been dropped in favor of the BSD
-    `-s` flag to control two levels of _secure mode_
+    `-s` flag to control two levels of _secure mode_.  The `-n` flag is
+	now `-F` and `-n` means something else entirely ...
   - In klogd: `-i` and `-I` have been removed
 - Update COPYING file to GPL 2 rev 2, with new FSF address and other minor stuff
 - Update license header in all files: