$OpenBSD: patch-js_src_jsgc_cpp,v 1.3 2011/03/26 10:58:36 landry Exp $
--- js/src/jsgc.cpp.orig	Wed Jan  6 05:35:17 2010
+++ js/src/jsgc.cpp	Sun Jan 10 17:47:27 2010
@@ -128,6 +128,7 @@ extern "C" {
 #   ifndef JS_GC_USE_MMAP
 #    define JS_GC_USE_MMAP 1
 #   endif
+#   include <sys/types.h>
 #   include <sys/mman.h>
 
 /* On Mac OS X MAP_ANONYMOUS is not defined. */