Change header guard names to use `INCLUDED_` prefix

Fixes #2049

1 files changed, 3 insertions, 3 deletions

diff --git a/src/post.h b/src/post.h
index a724f903..065769a4 100644
--- a/src/post.h
+++ b/src/post.h
@@ -39,8 +39,8 @@
  *
  * @ingroup data
  */
-#ifndef _POST_H
-#define _POST_H
+#ifndef INCLUDED_POST_H
+#define INCLUDED_POST_H
 
 #include "item.h"
 
@@ -269,4 +269,4 @@ void put_post(property_tree::ptree& pt, const post_t& post);
 
 } // namespace ledger
 
-#endif // _POST_H
+#endif // INCLUDED_POST_H