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-rw-r--r--lib/careadlinkat.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/careadlinkat.h b/lib/careadlinkat.h
index c5e4bcfc15..be8670f2c9 100644
--- a/lib/careadlinkat.h
+++ b/lib/careadlinkat.h
@@ -18,6 +18,7 @@
/* Written by Paul Eggert, Bruno Haible, and Jim Meyering. */
#ifndef _GL_CAREADLINKAT_H
+#define _GL_CAREADLINKAT_H
#include <fcntl.h>
#include <unistd.h>