$OpenBSD: patch-io_internal_h,v 1.1 2021/02/06 12:04:43 jan Exp $

Index: io_internal.h
--- io_internal.h.orig
+++ io_internal.h
@@ -83,7 +83,7 @@ my_extern array io_pollfds;
 my_extern long first_readable;
 my_extern long first_writeable;
 
-my_extern long first_deferred;
+extern long first_deferred;
 
 my_extern enum __io_waitmode {
   UNDECIDED,
