Current 8.0-STABLE doesn't compile (warning: implicit declaration of function 'bus_describe_intr')

[Yuri]

After upgrading sources (RELENG_8) I get the errors below.

Yuri

--- error log ---
cc -O2 -pipe -fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE 
-nostdinc   -DHAVE_KERNEL_OPTION_HEADERS -include 
/usr/obj/usr/src/sys/GENERIC/opt_global.h -I. -I@ -I@/contrib/altq 
-finline-limit=8000 --param inline-unit-growth=100 --param 
large-function-growth=1000 -fno-common -g -I/usr/obj/usr/src/sys/GENERIC 
-mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx 
-mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding -fstack-protector 
-std=iso9899:1999 -fstack-protector -Wall -Wredundant-decls 
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes 
-Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign 
-fformat-extensions -c /usr/src/sys/modules/ahci/../../dev/ahci/ahci.c
cc1: warnings being treated as errors
/usr/src/sys/modules/ahci/../../dev/ahci/ahci.c: In function 
'ahci_setup_interrupt':
/usr/src/sys/modules/ahci/../../dev/ahci/ahci.c:574: warning: implicit 
declaration of function 'bus_describe_intr'
/usr/src/sys/modules/ahci/../../dev/ahci/ahci.c:574: warning: nested 
extern declaration of 'bus_describe_intr'
*** Error code 1