$OpenBSD: patch-include_net-snmp_system_openbsd_h,v 1.8 2016/05/12 22:00:14 sthen Exp $

quick hack to define the old openbsd{3,4,5} from before stripping
the version number part when defining the OS macro (see config_os_progs)

--- include/net-snmp/system/openbsd.h.orig	Thu May 12 22:17:49 2016
+++ include/net-snmp/system/openbsd.h	Thu May 12 22:18:06 2016
@@ -2,6 +2,9 @@
 
 #define netbsd1 netbsd1         /* we're really close to this */
 #define openbsd openbsd
+#define openbsd3 openbsd3
+#define openbsd4 openbsd4
+#define openbsd5 openbsd5
 #define UVM
 
 #undef MBPOOL_SYMBOL