Fixed it so that syslog is not on by default.

It broke windows.

lib/python/ZLogger/syslogLogger.py

@@ -8,8 +8,13 @@ class syslogLogger:
         if os.environ.has_key('ZSYSLOG_SERVER'):
             (addr, port) = string.split(os.environ['ZSYSLOG_SERVER'], ':')
             self.client = syslog_client((addr, int(port)))
-        else:
+            self.on = 1
+        elif os.environ.has_key('ZSYSLOG'):
             self.client = syslog_client()
+            self.on = 1
+        else:
+            self.on = 0
 
     def __call__(self, sub, sev, sum, det, err):
-        self.client.log(sum)
+        if on:
+            self.client.log(sum)

lib/python/Zope/ZLogger/syslogLogger.py

@@ -8,8 +8,13 @@ class syslogLogger:
         if os.environ.has_key('ZSYSLOG_SERVER'):
             (addr, port) = string.split(os.environ['ZSYSLOG_SERVER'], ':')
             self.client = syslog_client((addr, int(port)))
-        else:
+            self.on = 1
+        elif os.environ.has_key('ZSYSLOG'):
             self.client = syslog_client()
+            self.on = 1
+        else:
+            self.on = 0
 
     def __call__(self, sub, sev, sum, det, err):
-        self.client.log(sum)
+        if on:
+            self.client.log(sum)