Add a MESSAGE about false-positive results on non-supported platforms
Helps to address PR# 31813 reported by Eric Mumpower
From the README:
02/22/2005 - Version 0.45 chkproc.c: better support for Linux
threads. New rootkit detected: Fu,
Kenga3, ESRK. New test: chkutmp. -n
option improvement. Minor bug fixes.
10/26/2005 - Version 0.46 chkproc.c: more fixes to better support
Linux threads. chkutmp.c: improved
execution speed. chkwtmp.c: segfault
fixed. New rootkit detected: rootedoor.
Mac OS X support added. Minor bug fixes.
10/28/2005 - Version 0.46a chkproc.c: bug fix for FreeBSD: chkproc
was sending a SIGXFSZ (kill -25) to init,
causing a reboot.
