lib/topfish: replace header guards with more modern #pragma once

diff --git a/lib/topfish/hierarchy.h b/lib/topfish/hierarchy.h
index b1e673951826d36050ca774186eb63bb2119eef3..3ef2cb3f7c6b69f6f951cdcfd17621c75fa1f18b 100644 (file)
--- a/lib/topfish/hierarchy.h
+++ b/lib/topfish/hierarchy.h
@@ -8,8 +8,7 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
-#ifndef _HIERARCHY_H_
-#define _HIERARCHY_H_
+#pragma once
 
 #include <neatogen/sparsegraph.h>
 
@@ -102,5 +101,3 @@ void find_active_ancestor_info(Hierarchy * hierarchy, int level, int node, int *
 int find_old_active_ancestor(Hierarchy * hierarchy, int level, int node);
 int locateByIndex(Hierarchy*, int, int*);
 int findGlobalIndexesOfActiveNeighbors(Hierarchy*, int, int**);
-
-#endif