Samba4: build error: /source3/utils/cclean.c latest git

[steve]

Hi
openSUSE 12.1, git pull from an hour ago:
Can anyone help me get this built?

Cheers,
Steve

[3077/4253] Compiling source3/utils/cclean.c
../source3/utils/cclean.c: In function ‘serverid_str’:
../source3/utils/cclean.c:48:11: error: format ‘%lu’ expects argument of 
type ‘long unsigned int’, but argument 5 has type ‘uint64_t’ 
[-Werror=format]
cc1: some warnings being treated as errors

Waf: Leaving directory `/home/steve/samba-master/bin'
Build failed:  -> task failed (err #1):
         {task: cc cclean.c -> cclean_169.o}
make: *** [install] Error 1