Use #pragma once

1 files changed, 2 insertions, 0 deletions

diff --git a/src/obj.h b/src/obj.h
index 0dd6f2d..bd34c8a 100644
--- a/src/obj.h
+++ b/src/obj.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "antcc.h"
 
 typedef struct ObjFile {