From d22c1a18db7b512c2e592601af435c982b2859ff Mon Sep 17 00:00:00 2001
From: Bob Halley <source@isc.org>
Date: Wed, 30 Dec 1998 22:07:20 +0000
Subject: [PATCH] add unistd.h (for getopt)

---
 bin/tests/sym_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bin/tests/sym_test.c b/bin/tests/sym_test.c
index 9f245d7e51..d8912feb34 100644
--- a/bin/tests/sym_test.c
+++ b/bin/tests/sym_test.c
@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <isc/assertions.h>
 #include <isc/result.h>