Index: ours/phpbb/includes/functions_messenger.php
===================================================================
--- ours/phpbb/includes/functions_messenger.php	(revision 203)
+++ ours/phpbb/includes/functions_messenger.php	(revision 204)
@@ -642,7 +642,7 @@
 		{
 			$lock_fp = @fopen($this->cache_file . '.lock', 'rb');
 		}
-		@chmod($this->cache_file . '.lock', 0777);
+		@chmod($this->cache_file . '.lock', 0666);
 		if ($lock_fp)
 		{
 			@flock($lock_fp, LOCK_EX);