[PATCH] Use __unused0 instead of __unused for user visible struct members

[Joseph S. Myers]

On Tue, 7 Feb 2012, Guillem Jover wrote:

> Hi!
> 
> This is probably my last mail on this issue, as it does not seem to be
> going anywhere. Thanks Carlos for your perseverance, though!

Actually, I think a rough consensus was reached: establish a convention 
__glibc_reservedN for padding fields and rename them all.  See 
<http://sourceware.org/ml/libc-alpha/2012-02/msg00051.html> and followups.

-- 
Joseph S. Myers
joseph@codesourcery.com