$OpenBSD: patch-sysdeps_openbsd_procmem_c,v 1.9 2017/04/17 09:46:45 espie Exp $
--- sysdeps/openbsd/procmem.c.orig	Sun Apr 16 14:05:33 2017
+++ sysdeps/openbsd/procmem.c	Sun Apr 16 14:17:23 2017
@@ -42,6 +42,7 @@
 /* XXX until uvm gets cleaned up */
 #include <sys/mutex.h>
 typedef int boolean_t;
+#define RBT_PROTOTYPE(a, b, c, d)	extern int nope
 #include <uvm/uvm.h>
 
 /* Fixme ... */
