make buildworld error with libnetgraph

Hi guys.

I get this error compiling today's 6.0 sources (tag=RELENG_6)
starting with empty /obj dir :

#uname -a
FreeBSD draugen 6.0-BETA4 FreeBSD 6.0-BETA4 #3: Tue Sep  6 19:31:47 CEST
2005     root_at_draugen:/usr/obj/usr/src/sys/DRAUGEN  i386


===> lib/libnetgraph (depend,all,install)
rm -f .depend
mkdep -f .depend -a     /usr/src/lib/libnetgraph/sock.c
/usr/src/lib/libnetgraph/msg.c /usr/src/lib/libnetgraph/debug.c
cc -O2 -fno-strict-aliasing -pipe -march=pentium4 -Wsystem-headers -Werror
-Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -c
/usr/src/lib/libnetgraph/sock.c
cc -O2 -fno-strict-aliasing -pipe -march=pentium4 -Wsystem-headers -Werror
-Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -c
/usr/src/lib/libnetgraph/msg.c
cc -O2 -fno-strict-aliasing -pipe -march=pentium4 -Wsystem-headers -Werror
-Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Wno-uninitialized -c
/usr/src/lib/libnetgraph/debug.c
/usr/src/lib/libnetgraph/debug.c:161: error: `NGM_SPLIT_COOKIE' undeclared
here (not in a function)
/usr/src/lib/libnetgraph/debug.c:161: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:161: error: (near initialization for
`cookies[33].cookie')
/usr/src/lib/libnetgraph/debug.c:161: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:161: error: (near initialization for
`cookies[33]')
/usr/src/lib/libnetgraph/debug.c:162: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:162: error: (near initialization for
`cookies[34]')
/usr/src/lib/libnetgraph/debug.c:163: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:163: error: (near initialization for
`cookies[35]')
/usr/src/lib/libnetgraph/debug.c:164: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:164: error: (near initialization for
`cookies[36]')
/usr/src/lib/libnetgraph/debug.c:165: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:165: error: (near initialization for
`cookies[37]')
/usr/src/lib/libnetgraph/debug.c:166: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:166: error: (near initialization for
`cookies[38]')
/usr/src/lib/libnetgraph/debug.c:167: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:167: error: (near initialization for
`cookies[39]')
/usr/src/lib/libnetgraph/debug.c:174: error: initializer element is not
constant
/usr/src/lib/libnetgraph/debug.c:174: error: (near initialization for
`cookies[40]')
*** Error code 1

Stop in /usr/src/lib/libnetgraph.
*** Error code 1