[PATCH:libXpm] Fix abs() usage.

[Matt Turner]

On Tue, Mar 18, 2014 at 2:57 PM, Thomas Klausner <wiz at netbsd.org> wrote:
> For long arguments, use labs().
> From Jörg Sonnenberger <joerg at NetBSD.org>
>
> Signed-off-by: Thomas Klausner <wiz at NetBSD.org>
> ---

The author of this patch is you, according to git, but is Jörg
Sonnenberger according to your commit message.

Use --author= to set it properly.