Use correct Unix socket for syslogd on OS X.
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 234d5ff..017e9f3 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -528,7 +528,7 @@
                 if existing:
                     os.unlink(fn)
             if sys.platform == 'darwin':
-                sockname = '/var/run/log'
+                sockname = '/var/run/syslog'
             else:
                 sockname = '/dev/log'
             try: