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-rw-r--r--decoder/hg_union.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/decoder/hg_union.h b/decoder/hg_union.h
index 34624246..bb7e2d09 100644
--- a/decoder/hg_union.h
+++ b/decoder/hg_union.h
@@ -1,5 +1,5 @@
-#ifndef _HG_UNION_H_
-#define _HG_UNION_H_
+#ifndef HG_UNION_H_
+#define HG_UNION_H_
class Hypergraph;
namespace HG {