wp-less - lessc fix

/*
 * ========================================================================
 * WP LESS EMBEDDING
 * ========================================================================
 */

#require dirname(__FILE__) . '/framework/wp-less/bootstrap-for-theme.php';
if ( class_exists( 'WPLessPlugin' ) and function_exists( 'ot_get_option' ) ) {

    add_action('init', 'lessc_init');

    function lessc_init() {
        $less = WPLessPlugin::getInstance();

        // set the legacy configuration
        $config = $less->getConfiguration();
        if (!WP_DEBUG)
            $config->setCompilationStrategy('legacy');

        // set some less variables
        $bg = explode ( ',', get_option_tree( 'my_background' ) ) ;
        $less->setVariables( array(
            'primary_color'   => ot_get_option( 'primary_color', '#E7492F' ),
            'secondary_color' => ot_get_option( 'secondary_color', '#649F0B' ),
            'bg_color'        => empty($bg[0]) ? '#FAFAFA' : $bg[0],
            'bg_image'        => empty($bg[4]) ? 'url(' . get_template_directory_uri() . '/img/diamond-pattern.png)' : "url({$bg[4]})",
            'bg_repeat'       => empty($bg[1]) ? 'repeat' : $bg[1],
            'bg_position'     => empty($bg[3]) ? 'left top' : $bg[3],
            'bg_attachment'   => empty($bg[2]) ? 'scroll' : $bg[2]
                )
        );

        $less->dispatch();
    }
}