Adding missing trailing comma.

The `LAST UPDATED` field was missing from most rows.

The test structure rows didn't have enough commas either.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
diff --git a/manifest-mpw-004.csv b/manifest-mpw-004.csv
index fd3261a..fe47b12 100644
--- a/manifest-mpw-004.csv
+++ b/manifest-mpw-004.csv
Binary files differ