chkrootkit-0.40 & FreeBSD 5.1

[xcas at cox.net]

Is there a problem with 'chkrootkit-0.40' on 5.x? It tells me that some of
the files are infected (I know for a fact that they're not)..

Files reported as infected:
/usr/bin/chfn
/usr/bin/chsh
/bin/date
/bin/ls
/bin/ps

localhost# uname -a
FreeBSD localhost.tuxsux.org 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Wed Jun  4 06:09:58 MST 2003
cas at localhost.tuxsux.org:/usr/obj/usr/src/sys/KADAFI  i386