$OpenBSD: patch-src_netsys_netsys_c_event_h,v 1.1.1.1 2012/07/16 09:27:31 edd Exp $
--- src/netsys/netsys_c_event.h.orig	Wed Feb 29 19:02:52 2012
+++ src/netsys/netsys_c_event.h	Mon Jun 11 17:11:57 2012
@@ -6,6 +6,9 @@
 #ifdef NETSYS_INTERNAL
 
 #include "netsys_c.h"
+#ifdef HAVE_PTHREAD
+#include <pthread.h>
+#endif
 
 enum not_event_type {
     NE_PIPE = 0,
