[Midnightbsd-cvs] src: xform_ipcomp.c: Do not allow directly recursive RFC3173 IPComp

[laffer1 at midnightbsd.org]

Log Message:
-----------
    Do not allow directly recursive RFC3173 IPComp payload.

 Security:	CVE-2011-1547

Modified Files:
--------------
    src/sys/netipsec:
        xform_ipcomp.c (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/sys/netipsec/xform_ipcomp.c?r1=1.4&r2=1.5)