pppd fix for possible DOS

[Matthew Dillon]

    Committed!

					-Matt
					Matthew Dillon 
					<dillon at xxxxxxxxxxxxx>

:Hi
:
:The patch at
:
:  http://andre.people.digirati.com.br/dragonfly/patches/pppd.patch
:
:fixes a possible remote DOS against pppd, described in detail at
:http://www.securityfocus.com/archive/1/379450/2004-10-24/2004-10-30/0
:
:Patch-taken-from: OpenBSD
:
:BTW, OpenBSD's cvs log says this on a previous revision: "Pedro says we
:can change his license too." The licensed was changed to a standard
:3-clause BSD license. Maybe DragonFly is interested in doing that too...
:
:Regards,
:Andre