[PATCH] nss_nisplus/nisplus-alias.c: fix build warning on gcc7

[Yury Norov]

On Wed, May 24, 2017 at 01:56:43PM +0200, Andreas Schwab wrote:
> Please update your sources.
> 
> commit f88759ea9b
> Author: Joseph Myers <joseph@codesourcery.com>
> Date:   Wed Dec 21 23:44:01 2016 +0000
> 
>     Fix nss_nisplus build with mainline GCC (bug 20978).
> 
> Andreas.

Ah, sorry that. Then forget.