$OpenBSD$
--- src/helper/replacements.h.orig	Wed May 27 08:19:04 2009
+++ src/helper/replacements.h	Wed May 27 08:20:11 2009
@@ -42,6 +42,7 @@
 #ifdef _WIN32
 #include <winsock2.h>
 #else
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/poll.h>
 #include <netinet/in.h>