Index: wp-includes/pluggable.php
===================================================================
--- wp-includes/pluggable.php	(revision 14537)
+++ wp-includes/pluggable.php	(working copy)
@@ -104,7 +104,7 @@
 	global $wpdb;
 
 	$user_id = absint($user_id);
-	if ( $user_id == 0 )
+	if ( 0 == $user_id )
 		return false;
 
 	$user = wp_cache_get($user_id, 'users');