make defconfig give the following error on ppc (gcc-4):

include/asm-m68k/setup.h:365: error: array type has incomplete element
type
Signed-Off-By: NBenoit Boissinot <benoit.boissinot@ens-lyon.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>