[amtrak] Fix report_id
[amtrak] Fix report_id

Audit 005-2013 has two memos, one at the beginning of the audit, one for
the termination of the audit. Both documents are given the "Tracking"
value of "005-2013." We fix this by appending "_closeout" to the report_id if
the title begins with "Closeout."

lukerosiak/inspectors-general,divergentdave/inspectors-general