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-rw-r--r--src/wasm-validator.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/wasm-validator.h b/src/wasm-validator.h
index c756c4b0d..af0c4ba9d 100644
--- a/src/wasm-validator.h
+++ b/src/wasm-validator.h
@@ -18,6 +18,9 @@
// Simple WebAssembly module validator.
//
+#ifndef wasm_wasm_validator_h
+#define wasm_wasm_validator_h
+
#include "wasm.h"
namespace wasm {
@@ -130,3 +133,5 @@ private:
};
} // namespace wasm
+
+#endif // wasm_wasm_validator_h