Commit 6627098eb4adad706d20f6b73d1b7e75cc08a21f broke building on OpenBSD
@@ -23,6 +23,7 @@
#ifdef USE_TCP
+#include <netinet/in.h>
#include <netinet/tcp.h>
#ifndef NO_TCP_ASYNC
#define TCP_ASYNC /* enabled async mode */
Mikko Lehto