Edited QueuedClient for compatibility with protobuf 2.3.0 (see also 14b6eaa)

Author: Sam Clements

riemann_client/client.py

@@ -83,5 +83,5 @@ def flush(self):
         self.queue = riemann_client.riemann_pb2.Msg()
 
     def send_event(self, event):
-        self.queue.events.extend([event])
+        self.queue.events.add().MergeFrom(event)
         return event