[PATCH] Fix sparc build

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Wed, 15 Jul 2015 15:45:53 -0700 (PDT)

>> 	* sysdeps/sparc/sparc32/sparcv9/bits/atomic.h (atomic_spin_nop): Remove space from
> 
> This line is too long.

Ok.

>> +ifeq ($(subdir),nscd)
>> +routines += cpu_relax
>> +endif
> 
> I think this merits a comment explaining that atomic_spin_nop (or you could
> just say "direct uses of our internal <atomic.h> interfaces") requires
> cpu_relax and that nscd uses those internal interfaces directly.

I'll add a comment.

> Otherwise looks fine and I think it clearly falls under Carlos's rules for
> freeze-time commits without his explicit approval.

Thanks, will commit after I fix the above.