woocommerce taxonomy fix

gistfile1.php

Index: woocommerce-core-functions.php
===================================================================
--- woocommerce-core-functions.php  (revision 711539)
+++ woocommerce-core-functions.php	(working copy)
@@ -1425,6 +1425,9 @@
 function woocommerce_terms_clauses( $clauses, $taxonomies, $args ) {
 	global $wpdb, $woocommerce;
 
+	// If we're not filtering a query for the product_cat taxonomy, bail out
+	if ( ! in_array( 'product_cat', $taxonomies ) ) return $clauses;
+
 	// No sorting when menu_order is false
 	if ( isset($args['menu_order']) && $args['menu_order'] == false ) return $clauses;