Display short URLs in blog.yourls.org

function ozh2010_display_shorturl( $in ){
        if( function_exists( 'wp_ozh_yourls_raw_url' ) ) {
                $short = wp_ozh_yourls_raw_url();
                $in .= "<div class='entry-utility'>Short URL to this post: <a href='$short'>$short</a></div>";
        }
        return $in;
}
add_filter( 'the_content', 'ozh2010_display_shorturl' );