This patch adds the warning Anton requested,
-=------------------------=------------------------------->
WARNING: Every sanity checks passed and only the DANGEROUS
operations left. Please make sure all your important data
had been backed up in case of an unexpected failure!
Are you sure you want to proceed (y/[n])?
OK quitting. NO CHANGES has been made to your NTFS volume.
<----------------------------------------------------------The question will be skipped if the -f (force) used [e.g. for
automatic testing]. This patch needs the earlier sent
ntfsresize-usage-cleanup.diff patch. Szaka
(Logical change 1.11)