[PATCH] strfmon_l: Use specified locale for number formatting [BZ #19633]

[Joseph Myers]

On Mon, 7 Mar 2016, Carlos O'Donell wrote:

> If the warning isn't enabled, then we don't need to worry about it today.
> The vision here is that we can run everything with -Werror, but we aren't
> there yet in some cases (see -Wundef fixes required).

We no longer use -Wno-error=undef as of:

commit 48bb14bdbbeb09cb3cd950d7346688958f1bce1a
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Thu Aug 20 20:50:05 2015 +0000

    Don't use -Wno-error=undef.

-- 
Joseph S. Myers
joseph@codesourcery.com