update the cache after the installation of the site

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11085 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/ERP5Site.py

@@ -925,6 +925,7 @@ class ERP5Generator(PortalGenerator):
     p._setProperty('management_page_charset', 'UTF-8', 'string')
     self.setup(p, create_userfolder, create_activities=create_activities,
         reindex=reindex, **kw)
+    p.portal_caches.updateCache()
     return p
 
   def setupLastTools(self, p, **kw):