Merge pull request #1589 from tseaver/logging-client_logger_docstring_typo

Fix copy-pasta in 'Client.logger' docstring.

Author: tseaver

gcloud/logging/client.py

@@ -52,7 +52,7 @@ def logger(self, name):
         :type name: string
         :param name: the name of the logger to be constructed.
 
-        :rtype: :class:`gcloud.pubsub.logger.Logger`
+        :rtype: :class:`gcloud.logging.logger.Logger`
         :returns: Logger created with the current client.
         """
         return Logger(name, client=self)