PowerPC: multiarch bzero cleanup for PPC64

[Adhemerval Zanella]

On 18-07-2014 12:54, Richard Henderson wrote:
> On 07/18/2014 06:27 AM, Adhemerval Zanella wrote:
>> +++ b/sysdeps/powerpc/powerpc64/power4/memset.S
> ...
>> +#ifndef weak_alias
>>  weak_alias (__bzero, bzero)
>>  #endif
> ifndef __bzero?
>
>
> r~
>
Thanks for spotting it, I have fixed.