s3:auth/proto.h: add _AUTH_PROTO_H_ guard

diff --git a/source3/auth/proto.h b/source3/auth/proto.h
index 9ba06475d070d8f68b9b90bb01b89f57a1b9539c..46846ac907486ef3bb98381664022322c6929b4a 100644 (file)
--- a/source3/auth/proto.h
+++ b/source3/auth/proto.h
@@ -30,6 +30,9 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef _AUTH_PROTO_H_
+#define _AUTH_PROTO_H_
+
 /* The following definitions come from auth/auth.c  */
 
 NTSTATUS smb_register_auth(int version, const char *name, auth_init_function init);
@@ -301,3 +304,5 @@ NTSTATUS make_session_info_krb5(TALLOC_CTX *mem_ctx,
                                bool mapped_to_guest, bool username_was_mapped,
                                DATA_BLOB *session_key,
                                struct auth_serversupplied_info **session_info);
+
+#endif /* _AUTH_PROTO_H_ */