buildworld failure in sys/modules/arl (opt_inet.h missing)

[Paulius Bulotas]

Hello,

mkdep -f .depend -a   -nostdinc -I/usr/src/sys/modules/arl/../..
-D_KERNEL -DKLD_MODULE -I- -I/usr/src/sys/modules/arl/../.. -I. -I@
-I@/../include -I/usr/obj/usr/src/i386/usr/include
/usr/src/sys/modules/arl/../../dev/arl/if_arl.c
/usr/src/sys/modules/arl/../../dev/arl/if_arl_isa.c
/usr/src/sys/dev/arl/if_arl.c:8:22: opt_inet.h: No such file or
directory
/usr/src/sys/dev/arl/if_arl_isa.c:8:22: opt_inet.h: No such file or
directory
mkdep: compile failed
*** Error code 1

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

Paulius