[PATCH] acl: port to gcc -Wredundant-decls

[Paul Eggert]

>From a request by Dmitry Antipov in:
http://lists.gnu.org/archive/html/emacs-devel/2014-06/msg00263.html
* lib/acl.h (_GL_ACL_H): New macro.  Protect entire contents with
"#ifndef _GL_ACL_H".
---
 ChangeLog | 8 ++++++++
 lib/acl.h | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 5dd0d6f..818ff80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2014-06-17  Paul Eggert  <address@hidden>
+
+       acl: port to gcc -Wredundant-decls
+       From a request by Dmitry Antipov in:
+       http://lists.gnu.org/archive/html/emacs-devel/2014-06/msg00263.html
+       * lib/acl.h (_GL_ACL_H): New macro.  Protect entire contents with
+       "#ifndef _GL_ACL_H".
+
 2014-06-11  Bruce Korb  <address@hidden>
        Jim Meyering  <address@hidden>
 
diff --git a/lib/acl.h b/lib/acl.h
index d024f74..f67e350 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
-- 
1.9.3