bug#18463: play-sound crashes emacs if file does not exist

[Eli Zaretskii]

> Date: Mon, 15 Sep 2014 18:22:05 +0200
> From: Dani Moncayo <dmoncayo@gmail.com>
> Cc: Mario Valencia <mariovalspi@gmail.com>, 18463@debbugs.gnu.org
> 
> > Can you test with Emacs 24.3, preferably the official binary on the
> > GNU FTP site?  That was the one the OP complained about.
> 
> OK, I've just done it, and I observe the same behavior I've described
> for the current trunk.

Thank you.  I guess there's something special on Mario's system that
somehow causes this.