X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/ba3189039adc8ec5eba5ed3e21d42019a4616b7c..fd53ccaafc951fd19eda444ec2054e35f8db69e1:/lib/acl.h

diff --git a/lib/acl.h b/lib/acl.h
index d024f74ba6..f67e350df0 100644
--- a/lib/acl.h
+++ b/lib/acl.h
@@ -17,6 +17,9 @@
 
    Written by Paul Eggert.  */
 
+#ifndef _GL_ACL_H
+#define _GL_ACL_H 1
+
 #include <stdbool.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -28,3 +31,5 @@ int set_acl (char const *, int, mode_t);
 int qcopy_acl (char const *, int, char const *, int, mode_t);
 int copy_acl (char const *, int, char const *, int, mode_t);
 int chmod_or_fchmod (char const *, int, mode_t);
+
+#endif