[head tinderbox] failure on amd64/amd64

[FreeBSD Tinderbox]

TB --- 2007-12-16 00:55:01 - tinderbox 2.3 running on freebsd-current.sentex.ca
TB --- 2007-12-16 00:55:01 - starting HEAD tinderbox run for amd64/amd64
TB --- 2007-12-16 00:55:01 - cleaning the object tree
TB --- 2007-12-16 00:55:20 - cvsupping the source tree
TB --- 2007-12-16 00:55:20 - /usr/bin/csup -r 3 -g -L 1 -h localhost -s /tinderbox/HEAD/amd64/amd64/supfile
TB --- 2007-12-16 00:55:27 - building world (CFLAGS=-O -pipe)
TB --- 2007-12-16 00:55:27 - cd /src
TB --- 2007-12-16 00:55:27 - /usr/bin/make -B buildworld
>>> World build started on Sun Dec 16 00:55:28 UTC 2007
>>> Rebuilding the temporary build tree
>>> stage 1.1: legacy release compatibility shims
>>> stage 1.2: bootstrap tools
>>> stage 2.1: cleaning up the object tree
>>> stage 2.2: rebuilding the object tree
>>> stage 2.3: build tools
>>> stage 3: cross tools
>>> stage 4.1: building includes
>>> stage 4.2: building libraries
[...]
ln -fs /obj/amd64/src/tmp/lib/libkiconv.so.3  /obj/amd64/src/tmp/usr/lib/libkiconv.so
===> lib/libkvm (obj,depend,all,install)
rm -f .depend
mkdep -f .depend -a    -DLIBC_SCCS -I/src/lib/libkvm /src/lib/libkvm/kvm.c /src/lib/libkvm/kvm_amd64.c /src/lib/libkvm/kvm_file.c /src/lib/libkvm/kvm_getloadavg.c /src/lib/libkvm/kvm_getswapinfo.c /src/lib/libkvm/kvm_proc.c /src/lib/libkvm/kvm_minidump_amd64.c
cc -O -pipe  -DLIBC_SCCS -I/src/lib/libkvm  -c /src/lib/libkvm/kvm.c
In file included from /obj/amd64/src/tmp/usr/include/sys/user.h:49,
                 from /src/lib/libkvm/kvm.c:44:
/obj/amd64/src/tmp/usr/include/sys/proc.h:302: error: array type has incomplete element type
*** Error code 1

Stop in /src/lib/libkvm.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
*** Error code 1

Stop in /src.
TB --- 2007-12-16 01:11:02 - WARNING: /usr/bin/make returned exit code  1 
TB --- 2007-12-16 01:11:02 - ERROR: failed to build world
TB --- 2007-12-16 01:11:02 - tinderbox aborted
TB --- 707.55 user 87.98 system 961.11 real


http://tinderbox.des.no/tinderbox-head-HEAD-amd64-amd64.full