buildworld error in usr.sbin/acpi/acpiconf

[Randy Bush]

===> usr.sbin/acpi/acpiconf (all)
cc -O -pipe -march=pentiumpro -I/usr/src/usr.sbin/acpi/acpiconf/../../../sys -I/usr/src/usr.sbin/acpi/acpiconf/../../../sys/contrib/dev/acpica -I/usr/src/usr.sbin/acpi/acpiconf/../../../sys/contrib/dev/acpica/compiler -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -c /usr/src/usr.sbin/acpi/acpiconf/acpiconf.c
/usr/src/usr.sbin/acpi/acpiconf/acpiconf.c: In function `acpi_init':
/usr/src/usr.sbin/acpi/acpiconf/acpiconf.c:58: warning: control reaches end of non-void function
*** Error code 1

Stop in /usr/src/usr.sbin/acpi/acpiconf.
*** Error code 1