Pass the post ID to the get_the_categories filter.

Props SergeyBiryukov.
See #9227.

git-svn-id: https://develop.svn.wordpress.org/trunk@34624 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/category-template.php

@@ -91,10 +91,12 @@ function get_the_category( $id = false ) {
 	 * Filter the array of categories to return for a post.
 	 *
 	 * @since 3.1.0
+	 * @since 4.4.0 Added `$id` parameter.
 	 *
 	 * @param array $categories An array of categories to return for the post.
+	 * @param int   $id         ID of the post.
 	 */
-	return apply_filters( 'get_the_categories', $categories );
+	return apply_filters( 'get_the_categories', $categories, $id );
 }
 
 /**