-DDEBUG misses DUMP_REGS on amd64 libsa

[Philipp]

Hi,

from: sys/arch/amd64/stand/libsa/cmd_i386.c:
#ifdef DEBUG
int
Xregs(void)
{
        DUMP_REGS;
        return 0;
}
#endif

which is undeclared.

i386 has one in sys/arch/i386/stand/libsa/debug_md.h

--pb