Index: wp-includes/taxonomy.php
===================================================================
--- wp-includes/taxonomy.php	(revision 6352)
+++ wp-includes/taxonomy.php	(working copy)
@@ -42,7 +42,7 @@
 
 	$taxonomies = array();
 	foreach ( $wp_taxonomies as $taxonomy ) {
-		if ( $object_type == $taxonomy->object_type )
+		if ( $object_type === $taxonomy->object_type )
 			$taxonomies[] = $taxonomy->name;
 	}