amd64 build break

[Hisashi T Fujinaka <htodd%twofifty.com@localhost>]

#   compile  INSTALL_XEN3_DOMU/intr.o
/var/shm/tools.amd64/bin/x86_64--netbsd-gcc -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -mno-avx -msoft-float -mno-fp-ret-in-387 -ffreestanding -fno-zero-initialized-in-bss -O2 -fno-omit-frame-pointer -fstack-protector -Wstack-protector --param ssp-buffer-size
=1 -fno-strict-aliasing -fno-common -std=gnu99 -Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes -Wold-style-definition -Wswitch -Wshadow -Wcast-qual -Wwrite-strings -Wno-unreachable-code -Wno-pointer-sign -Wn
o-attributes -Wextra -Wno-unused-parameter -Wold-style-definition -Wno-sign-compare --sysroot=/var/shm/amd64/destdir.amd64 -Damd64 -Dx86_64 -I. -I/var/shm/amd64/sys/arch/amd64/compile/INSTALL_XEN3_DOMU/xen-ma -I/usr/src/sys/external/bsd/acpica/dist -I/usr/src/sys/
../common/lib/libx86emu -I/usr/src/sys/../common/include -I/usr/src/sys/arch -I/usr/src/sys -nostdinc -DMAXPHYS=32768 -DDIAGNOSTIC -DCOMPAT_44 -D_KERNEL -D_KERNEL_OPT -std=gnu99 -I/usr/src/sys/lib/libkern/../../../common/lib/libc/quad -I/usr/src/sys/lib/libkern/../../../common/lib/libc/string -I/usr/src/sys/lib/libkern/../../../common/lib/libc/arch/x86_64/string -D_FORTIFY_SOURCE=2 -I/usr/src/
sys/external/bsd/ipf -c /usr/src/sys/arch/x86/x86/intr.c -o intr.o
/usr/src/sys/arch/x86/x86/intr.c: In function 'cpu_intr_init':
/usr/src/sys/arch/x86/x86/intr.c:1503:10: error: unused variable 'istack' [-Werror=unused-variable]
  vaddr_t istack; /* XXX: duplicate */
          ^
cc1: all warnings being treated as errors
*** [intr.o] Error code 1


--
Hisashi T Fujinaka - htodd%twofifty.com@localhost
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee