unbreak userland uses of in_pcb.h by including sys/refcnt.h

ok visa@

diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h
index a26b8a9..984adb4 100644 (file)
--- a/sys/netinet/in_pcb.h
+++ b/sys/netinet/in_pcb.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: in_pcb.h,v 1.111 2018/09/13 19:53:58 bluhm Exp $      */
+/*     $OpenBSD: in_pcb.h,v 1.112 2018/09/14 07:25:02 jsg Exp $        */
 /*     $NetBSD: in_pcb.h,v 1.14 1996/02/13 23:42:00 christos Exp $     */
 
 /*
@@ -65,6 +65,7 @@
 #define _NETINET_IN_PCB_H_
 
 #include <sys/queue.h>
+#include <sys/refcnt.h>
 #include <netinet/ip6.h>
 #include <netinet6/ip6_var.h>
 #include <netinet/icmp6.h>