[PATCH:xmodmap] Add AC_USE_SYSTEM_EXTENSIONS to expose asprintf() in GNU libc headers

[Julien Cristau]

On Sat, Apr 14, 2012 at 14:42:56 -0700, Alan Coopersmith wrote:

> Fixes https://bugs.freedesktop.org/show_bug.cgi?id=48696
> 
> Reported-by: Dominique Leuenberger
> Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
> ---
>  configure.ac |    2 ++
>  1 file changed, 2 insertions(+)
> 
Reviewed-by: Julien Cristau <jcristau at debian.org>

Cheers,
Julien