add access validation to approval

(../7.0pageapproval/ rev 8)

document_page_approval/__openerp__.py

@@ -34,5 +34,9 @@ Add a workflow to approve page modification and show the approved version by def
     'installable': True,
     'auto_install': False,
     'images': [],
+    'data': [
+        'security/document_page_security.xml',
+        'security/ir.model.access.csv',
+        ]
 }
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