Missing FLAGS from old_run.
Reviewed in https://codereview.appspot.com/12088045/.
diff --git a/oauth2client/tools.py b/oauth2client/tools.py
index 8f01717..12c68bf 100644
--- a/oauth2client/tools.py
+++ b/oauth2client/tools.py
@@ -234,6 +234,7 @@
 
 try:
   from old_run import run
+  from old_run import FLAGS
 except ImportError:
   def run(*args, **kwargs):
     raise NotImplementedError(