Define undifined portal_type variable

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31233 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web/WebSection_getPermanentURLForView.xml

@@ -61,6 +61,7 @@
 permanent_url = context.WebSection_getPermanentURL(document)\n
 \n
 # for web page, foo and foo/view are completely same\n
+portal_type = document.getPortalType()\n
 if portal_type == \'Web Page\':\n
   return permanent_url\n
 else:\n

bt5/erp5_web/bt/revision

-876
+877
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