generateNewId() wasn't called on the good object

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3130 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5SyncML/PublicationSynchronization.py

@@ -138,7 +138,7 @@ class PublicationSynchronization(XMLSyncUtils):
       # Get the subscriber or create it if not already in the list
       subscriber = publication.getSubscriber(subscription_url)
       if subscriber == None:
-        subscriber = Subscriber(publication.generateNewId(),subscription_url)
+        subscriber = Subscriber(self.generateNewId(),subscription_url)
         subscriber.setXMLMapping(publication.getXMLMapping())
         publication.addSubscriber(subscriber)
         # first synchronization