Update some syslog tests to absurb the format change of FreeBSD syslog

FreeBSD

```
$ ruby -rsyslog -e 'Syslog.open("rubyspec", Syslog::LOG_PERROR) {|s| s.log(Syslog::LOG_ALERT, "Hello") }'
rubyspec 78462 - - Hello
```

Linux

```
$ ruby -rsyslog -e 'Syslog.open("rubyspec", Syslog::LOG_PERROR) {|s| s.log(Syslog::LOG_ALERT, "Hello") }'
rubyspec: Hello
```

https://github.com/freebsd/freebsd/commit/591ef7c8076109cff3c41f9bb50da996a34121e9

1 files changed, 4 insertions, 3 deletions

diff --git a/test/test_syslog.rb b/test/test_syslog.rb
index 5327814f7a..842ae8df49 100644
--- a/test/test_syslog.rb
+++ b/test/test_syslog.rb
@@ -113,7 +113,7 @@ class TestSyslog < Test::Unit::TestCase
   end
 
   def syslog_line_regex(ident, message)
-    /(?:^| )#{Regexp.quote(ident)}(?:\[([1-9][0-9]*)\])?(?: |[: ].* )#{Regexp.quote(message)}$/
+    /(?:^| )#{Regexp.quote(ident)}(?:\[([1-9][0-9]*)\])?(?: | ([1-9][0-9]*) - - ||[: ].* )#{Regexp.quote(message)}$/
   end
 
   def test_log
@@ -170,8 +170,9 @@ class TestSyslog < Test::Unit::TestCase
         end
         m = re.match(line)
         assert_not_nil(m)
-        assert_not_nil(m[1])
-        assert_equal(pid, m[1].to_i)
+        output_pid = m[1] || m[2]
+        assert_not_nil(output_pid)
+        assert_equal(pid, output_pid.to_i)
       }
     }
   end