Enhance loginfail: it will catch sshd, proftpd and su errors, as well as other programs

PR: conf/70973
Submitted by:	Ryan Sommers" <ryans@gamersimpact.com>
Approved by:	philip (mentor)
MFC after:	3 days

etc/periodic/security/800.loginfail

@@ -59,7 +59,7 @@ case "$daily_status_security_loginfail_enable" in
     [Yy][Ee][Ss])
 	echo ""
 	echo "${host} login failures:"
-	n=$(catmsgs | grep -ia "^$yesterday.*fail" |
+	n=$(catmsgs | grep -ia "^$yesterday.*(fail|invalid|bad|illegal)" |
 	    tee /dev/stderr | wc -l)
 	[ $n -gt 0 ] && rc=1 || rc=0;;
     *)	rc=0;;