fix missing value.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41283 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/instance-profiles/zope.cfg

@@ -13,5 +13,5 @@ zope-conf-additional =
   # Timeserver to have ticks in zope
   %import timerserver
   <timer-server>
-    interval ${timer-server-interval}
+    interval 5
   </timer-server>