[FUG-BR] erro ao compilar o kernel

[mateusgra]

Wpointer-arith -Winline -Wcast-qual -fformat-extensions -std=c99 -g -nostdinc -I- -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -I/usr/src/sys/contrib/ipfilter -I/usr/src/sys/contrib/pf -I/usr/src/sys/dev/ath -I/usr/src/sys/contrib/ngatm -I/usr/src/sys/dev/twa -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000 -mcmodel=kernel -mno-red-zone -mfpmath=387 -mno-sse -mno-sse2 -mno-mmx -mno-3dnow -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -Werror /usr/src/sys/cam/cam_periph.c
cc1: note: obsolete option -I- used, please use -iquote instead
cc1: warnings being treated as errors
/usr/src/sys/cam/cam_periph.c: In function 'cam_periph_mapmem':
/usr/src/sys/cam/cam_periph.c:651: warning: pointer targets in assignment differ in signedness
/usr/src/sys/cam/cam_periph.c:679: warning: pointer targets in assignment differ in signedness
*** Error code 1

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

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

Stop in /usr/src.