Allow shortcodes in product excerpts

wc-allow-shortcodes.php

/**
 * Allow shortcodes in product excerpts
 */
if (!function_exists('woocommerce_template_single_excerpt')) {
   function woocommerce_template_single_excerpt( $post ) {
   	   global $post;
       if ($post->post_excerpt) echo '<div itemprop="description">' . do_shortcode(wpautop(wptexturize($post->post_excerpt))) . '</div>';
   }
}