[COMMITTED PATCH] Fix NEED_DL_SYSINFO_DSO conditionals.

[Carlos O'Donell]

On 03/01/2013 05:46 PM, Roland McGrath wrote:
> All the checks on NEED_DL_SYSINFO_DSO were actually checking
> NEED_DL_SYSINFO || NEED_DL_SYSINFO_DSO, which makes no sense.
> I cleaned them up.  This can have no effect on existing configurations
> because sysdeps/unix/sysv/linux/dl-sysdep.h defines NEED_DL_SYSINFO_DSO
> unconditionally.
> 
> Verified no text changes in ld.so or libc.so on x86_64-linux-gnu.

Thanks for this.

This had confused me considerably when I looked at the vDSO support
for i686, and I just thought maybe I was dumb, and didn't bother
to go through the exercise of verifying this.

Cheers,
Carlos.