--- a/contrib/slapd-modules/cloak/cloak.c
+++ b/contrib/slapd-modules/cloak/cloak.c
@@ -29,6 +29,7 @@
 #include "ac/socket.h"
 
 #include "lutil.h"
+#include "attr.h"
 #include "slap.h"
 #include "slap-config.h"
 
--- a/servers/slapd/attr.h
+++ b/servers/slapd/attr.h
@@ -0,0 +1,8 @@
+#ifndef OPENLDAP_SERVERS_SLAPD_ATTR_H_
+#define OPENLDAP_SERVERS_SLAPD_ATTR_H_
+
+#endif //OPENLDAP_SERVERS_SLAPD_ATTR_H_
+
+#include "slap.h"
+
+void attr_clean( Attribute *a );