emulators/virtualbox-ose-kmod build error

After update from r295867 to r295994:

...
/usr/local/bin/ccache cc -O2 -pipe -march=native -fno-strict-aliasing -DRT_OS_FREEBSD -DIN_RING0 -DIN_RT_R0 -DIN_SUP_R0 -DSUPDRV_WITH_RELEASE_LOGGER -DVBOX -DRT_WITH_VBOX -w -DVBOX_WITH_HARDENING -DVBOX_WITH_64_BITS_GUESTS -DRT_ARCH_AMD64 -march=native  -Werror -D_KERNEL -DKLD_MODULE -nostdinc  -Iinclude -I. -Ir0drv -I. -I/usr/src/sys -fno-common  -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float  -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -D__printf__=__freebsd_kprintf__  -Wmissing-include-dirs -fdiagnostics-show-option  -Wno-unknown-pragmas  -Wno-error-tautological-compare -Wno-error-empty-body  -Wno-error-parentheses-equality -Wno-error-unused-function  -Wno-error-pointer-sign -Wno-error-shift-negative-value  -fvectorize -fslp-vectorize -fbloc
 ks -fcolor-diagnostics -mno-aes -mno-avx  -std=iso9899:1999 -c /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/memobj-r0drv-freebsd.c -o memobj-r0drv-freebsd.o
--- assert-r0drv-freebsd.o ---
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/assert-r0drv-freebsd.c:34:
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/the-freebsd-kernel.h:39:
/usr/src/sys/sys/bus.h:659:10: fatal error: 'device_if.h' file not found
#include "device_if.h"
         ^
--- alloc-r0drv-freebsd.o ---
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/alloc-r0drv-freebsd.c:34:
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/the-freebsd-kernel.h:39:
/usr/src/sys/sys/bus.h:659:10: fatal error: 'device_if.h' file not found
#include "device_if.h"
         ^
--- assert-r0drv-freebsd.o ---
1 error generated.
--- initterm-r0drv-freebsd.o ---
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/initterm-r0drv-freebsd.c:34:
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/the-freebsd-kernel.h:39:
/usr/src/sys/sys/bus.h:659:10: fatal error: 'device_if.h' file not found
#include "device_if.h"
         ^
--- assert-r0drv-freebsd.o ---
*** [assert-r0drv-freebsd.o] Error code 1

make[3]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv
--- initterm-r0drv-freebsd.o ---
1 error generated.
--- alloc-r0drv-freebsd.o ---
1 error generated.
--- initterm-r0drv-freebsd.o ---
*** [initterm-r0drv-freebsd.o] Error code 1

make[3]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv
--- memobj-r0drv-freebsd.o ---
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/memobj-r0drv-freebsd.c:36:
In file included from /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv/r0drv/freebsd/the-freebsd-kernel.h:39:
/usr/src/sys/sys/bus.h:659:10: fatal error: 'device_if.h' file not found
#include "device_if.h"
         ^
--- alloc-r0drv-freebsd.o ---
*** [alloc-r0drv-freebsd.o] Error code 1

make[3]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv
--- memobj-r0drv-freebsd.o ---
1 error generated.
*** [memobj-r0drv-freebsd.o] Error code 1

make[3]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv
4 errors

make[3]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src/vboxdrv
*** [all] Error code 2

make[2]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src
1 error

make[2]: stopped in /media/da0s1/obj/usr/ports/emulators/virtualbox-ose-kmod/work/VirtualBox-4.3.36/out/freebsd.amd64/release/bin/src
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/emulators/virtualbox-ose-kmod
*** Error code 1

Stop.
make: stopped in /usr/ports/emulators/virtualbox-ose-kmod

===>>> make build failed for emulators/virtualbox-ose-kmod
===>>> Aborting update


===>>> You can restart from the point of failure with this command line:
       portmaster <flags> emulators/virtualbox-ose-kmod 

root_at_nonamehost:/ #