staging: lustre: llite: Replace the symbolic file permission mode with the numeric one

Replaces S_IRWXUGO with 0777. The reason is that symbolic permissions
considered harmful:
https://lwn.net/Articles/696229/

Signed-off-by: Roman Storozhenko <romeusmeister@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/llite/dir.c

@@ -1141,7 +1141,7 @@ out_free:
 		}
 
 #if OBD_OCD_VERSION(2, 9, 50, 0) > LUSTRE_VERSION_CODE
-		mode = data->ioc_type != 0 ? data->ioc_type : S_IRWXUGO;
+		mode = data->ioc_type != 0 ? data->ioc_type : 0777;
 #else
 		mode = data->ioc_type;
 #endif