Merge pull request #400 from johnolek/update_wc_compatability_function_return_type

Update wc_get_page_id compatability return type. Sets a return value.

Author: karmatosed

src/BigCommerce/Compatibility/woocommerce-functions.php

@@ -138,6 +138,6 @@ function woocommerce_reset_loop() {
 
 if ( ! function_exists( 'wc_get_page_id' ) ) {
 	function wc_get_page_id() {
-		return '';
+		return -1;
 	}
-}
+}