$OpenBSD: patch-src_core_modules_ZoneArray_hpp,v 1.1 2010/06/09 08:04:28 ajacoutot Exp $
--- src/core/modules/ZoneArray.hpp.orig	Tue Jun  8 18:45:48 2010
+++ src/core/modules/ZoneArray.hpp	Tue Jun  8 18:46:04 2010
@@ -36,6 +36,10 @@
 
 #include "StelPainter.hpp"
 
+#ifdef __OpenBSD__
+#include <unistd.h>
+#endif
+
 // Patch by Rainer Canavan for compilation on irix with mipspro compiler part 1
 #ifndef MAP_NORESERVE
 #  ifdef MAP_AUTORESRV
