The script told me the wrong path to pass as first argument, so
correct that; and the README didn't mention the need to run it.
CLDR v37 makes no change to the actual generated data, though.
Tweaked wording of a comment in the script.
Task-number: QTBUG-84669
Change-Id: I56b510c666f414d9719cef650aeec6192c4fde6e
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>