Master Slider Visual Composer v4.6 compatibility fix

<?php
/**
 * ---------------------------------------------------------------------------*
 * Compatibility for Visual Composer Plugin
 * @package Master Slider
 * @file /master-slider/includes/lib/vcomposer.php
 * ----------------------------------------------------------------------------
 */

if ( defined( 'WPB_VC_VERSION' ) ) {

    wpb_map(
        array(
                'name'        => __( 'Master Slider', MSWP_TEXT_DOMAIN ),
                'base'        => 'masterslider_pb',
                'class'       => '',
                'controls'    => 'full',
                'icon'        => 'icon-vc-msslider-el',
                'category'    => __( 'Content', MSWP_TEXT_DOMAIN ),
                'description' => __( 'Add Master Slider', MSWP_TEXT_DOMAIN ),

                'params' => array(
                        array(
                            'type'        => 'textfield',
                            'heading'     => __( 'Title ', MSWP_TEXT_DOMAIN ),
                            'param_name'  => 'title',
                            'value'       => '',
                            'description' => __( 'What text use as slider title. Leave blank if no title is needed', MSWP_TEXT_DOMAIN ),
                        ),
                        array(
                            'type'        => 'dropdown',
                            'admin_label' => true,
                            'heading'     => __( 'Master Slider', MSWP_TEXT_DOMAIN ),
                            'param_name'  => 'id',
                            'value'       => get_masterslider_names( false ),
                            'std'         => '0',
                            'description' => __( 'Select slider from list', MSWP_TEXT_DOMAIN ),
                        ),
                        array(
                            'type'        => 'textfield',
                            'heading'     => __( 'Extra CSS Class Name', MSWP_TEXT_DOMAIN ),
                            'param_name'  => 'class',
                            'value'       => '',
                            'description' => __( 'If you wish to style particular element differently, then use this field to add a class name and then refer to it in your css file.', MSWP_TEXT_DOMAIN ),
                        ),
                ),
        )
    );

}

/*----------------------------------------------------------------------------*/