Fix post merge issue.

Script is used on Hosting Subscription too, so such portal type shall be
protected against duplicates.

master/bt5/vifib_slapos_core/WorkflowTemplateItem/portal_workflow/instance_slap_interface_workflow/scripts/RequesterInstance_request.xml

@@ -146,6 +146,7 @@ else:\n
     if (requester_instance.getPortalType() != "Hosting Subscription"):\n
       raise ValueError(\'It is disallowed to request root software instance %s\' % request_software_instance.getRelativeUrl())\n
     else:\n
+      predecessor = requester_instance\n
   predecessor_uid_list = predecessor.getPredecessorUidList()\n
   predecessor_uid_list.remove(request_software_instance.getUid())\n
   predecessor.edit(predecessor_uid_list=predecessor_uid_list)\n

master/bt5/vifib_slapos_core/bt/revision

-22
\ No newline at end of file
+23
\ No newline at end of file