--- a/mercurial/bdiff.h Mon Oct 18 16:24:00 2021 -0700 +++ b/mercurial/bdiff.h Thu Oct 21 11:21:21 2021 +0200 @@ -1,5 +1,5 @@ -#ifndef _HG_BDIFF_H_ -#define _HG_BDIFF_H_ +#ifndef HG_BDIFF_H +#define HG_BDIFF_H #include "compat.h"