$OpenBSD: patch-backend_sm3600-scanusb_c,v 1.4 2020/02/08 13:35:52 ajacoutot Exp $

XXX patch manually created with diff(1) to remove the CVS Id from the file.

errno.h header is required now that errno is a per-thread variable.
"undefined symbol 'errno'" at runtime with dlopen()'d modules.

--- backend/sm3600-scanusb.c.orig	Sun Feb  2 12:58:09 2020
+++ backend/sm3600-scanusb.c	Sat Feb  8 14:07:56 2020
@@ -51,6 +51,7 @@
 
 ====================================================================== */
 
+#include <errno.h>
 #include "sm3600-scantool.h"
 
 /* **********************************************************************
