lsof 4.79K build fails

[Jonathan Chen]

The latest update for sysutils/lsof to 4.79K ends in the following
when building on 7_STABLE:

    cc  -fno-strict-aliasing -pipe -DHASEFFNLINK=i_effnlink -DHASF_VNODE
    -DHASCPUMASK_T -DHASSBSTATE -DHAS_KVM_VNODE -DHAS_UFS1_2
    -DHAS_NO_SI_UDEV -DHAS_SI_PRIV -DHAS_SYS_SX_H -DHAS_ZFS
    -DFREEBSDV=7000 -DHASFDESCFS=2 -DHASPSEUDOFS -DHASNULLFS -DHASIPv6
    -DHAS_STRFTIME -DLSOF_VSTR=\"7.0-STABLE\" -I/usr/src/sys -O2 -c
    dnode.c
    dnode.c: In function 'get_lock_state':
    dnode.c:113: error: 'struct lockf' has no member named 'lf_flags'
    dnode.c:115: error: 'struct lockf' has no member named 'lf_id'
    dnode.c:121: error: 'struct lockf' has no member named 'lf_id'
    dnode.c:129: error: 'struct lockf' has no member named 'lf_start'
    dnode.c:130: error: 'struct lockf' has no member named 'lf_end'
    dnode.c:134: error: 'struct lockf' has no member named 'lf_type'
    dnode.c:136: error: 'struct lockf' has no member named 'lf_type'
    dnode.c:138: error: 'struct lockf' has no member named 'lf_type'
    dnode.c:141: error: 'struct lockf' has no member named 'lf_next'
    *** Error code 1

    Stop in /usr/ports/sysutils/lsof/work/lsof_4.79K.freebsd.
-- 
Jonathan Chen <jonc at chen.org.nz>
----------------------------------------------------------------------
"A little learning is a dangerous thing but a lot of ignorance is
 just as bad."                                      - Bob Edwards