another changed to make sure all objects are deleted in resetSignature

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1284 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5SyncML/Subscription.py

@@ -986,6 +986,7 @@ class Subscription(Folder, SyncCode):
       Reset all signatures
     """
     #self.signatures = PersistentMapping()
+    while len(self.objectIds())>0:
       for id in self.objectIds():
         self._delObject(id)