I suppose a workaround might be to install the unhide package and make a link to wherever rkhunter looks for it. /usr/sbin/ is not a reasonable install location for the unhide command. It doesn't require privilege elevation to work properly.
-- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org