Fix the formatting of `$taxonomies` parameter of `'wp_get_object_terms'` filter.

[38667]  changed the way that the filter parameters are built. That
changeset didn't fully account for the pre-4.7 format of `$taxonomies`.

Merge of [40290] to the 4.7 branch.

Props ig_communitysites.
Fixes #40154.

Built from https://develop.svn.wordpress.org/branches/4.7@40291


git-svn-id: http://core.svn.wordpress.org/branches/4.7@40198 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/taxonomy.php

@@ -1892,7 +1892,7 @@ function wp_get_object_terms($object_ids, $taxonomies, $args = array()) {
 	$terms = apply_filters( 'get_object_terms', $terms, $object_ids, $taxonomies, $args );
 
 	$object_ids = implode( ',', $object_ids );
-	$taxonomies = implode( ',', $taxonomies );
+	$taxonomies = "'" . implode( "', '", array_map( 'esc_sql', $taxonomies ) ) . "'";
 
 	/**
 	 * Filters the terms for a given object or objects.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7.4-alpha-40272';
+$wp_version = '4.7.4-alpha-40291';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.