$OpenBSD: patch-src_common_common_cpp,v 1.1 2009/06/09 20:30:18 benoit Exp $
--- src/common/common.cpp.orig	Mon Jun  8 17:29:19 2009
+++ src/common/common.cpp	Mon Jun  8 17:31:55 2009
@@ -13,6 +13,8 @@
 
 #include "common/os.h"
 
+#include <unistd.h>
+
 #include <boost/regex.hpp>
 #include <stdlib.h>
 #include <string>
