resolved TypeError

lib/loggly/client.js

@@ -105,6 +105,15 @@ util.inherits(Loggly, events.EventEmitter);
 //  - http://www.loggly.com/docs/api-sending-data/
 //
 Loggly.prototype.log = function (msg, tags, callback) {
+
+  //
+  // typeof msg is string when we are sending logs using node-loggly-bulk.
+  // If we are sending logs using winston-loggly-bulk, msg is an object.
+  //
+  if (typeof(msg) === 'string') {
+    msg = { message: msg };
+  }
+
   msg.message = truncateLargeMessage(msg.message)
   if (!callback && typeof tags === 'function') {
     callback = tags;