Stop in /usr/src/sys/modules/ahb

 From sources fetched today, same failure on two different machines

===> ahb (all)
cc -O2 -fno-strict-aliasing -pipe  -D_KERNEL -DKLD_MODULE -std=c99 
-nostdinc   -DHAVE_KERNEL_OPTION_HEADERS -include 
/usr/obj/usr/src/sys/IKO/opt_global.h -I. -I_at_ -I_at_/contrib/altq 
-finline-limit=8000 --param inline-unit-growth=100 --param 
large-function-growth=1000 -fno-common -g -I/usr/obj/usr/src/sys/IKO 
-mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx 
-mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -Wall 
-Wredundant-decls -Wnested-externs -Wstrict-prototypes 
-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef 
-Wno-pointer-sign -fformat-extensions -c 
/usr/src/sys/modules/ahb/../../dev/ahb/ahb.c
/usr/src/sys/modules/ahb/../../dev/ahb/ahb.c: In function 'ahballoc':
/usr/src/sys/modules/ahb/../../dev/ahb/ahb.c:412: error: 'unit' 
undeclared (first use in this function)
/usr/src/sys/modules/ahb/../../dev/ahb/ahb.c:412: error: (Each 
undeclared identifier is reported only once
/usr/src/sys/modules/ahb/../../dev/ahb/ahb.c:412: error: for each 
function it appears in.)
*** Error code 1

Stop in /usr/src/sys/modules/ahb.
*** Error code 1

Stop in /usr/src/sys/modules.
*** Error code 1

Stop in /usr/obj/usr/src/sys/IKO.
*** Error code 1

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

Stop in /usr/src.