$OpenBSD: patch-plugins-root_check_dhcp_c,v 1.1 2017/07/19 12:14:29 zhuk Exp $
Fix stack smashing.

Upstream merge request:
https://github.com/monitoring-plugins/monitoring-plugins/pull/1500
--- plugins-root/check_dhcp.c.orig	Wed Jul 19 12:53:55 2017
+++ plugins-root/check_dhcp.c	Wed Jul 19 13:46:40 2017
@@ -323,7 +323,8 @@ int get_hardware_address(int sock,char *interface_name
 #elif defined(__bsd__)
 						/* King 2004	see ACKNOWLEDGEMENTS */
 
-        int                     mib[6], len;
+        int                     mib[6];
+        size_t                  len;
         char                    *buf;
         unsigned char           *ptr;
         struct if_msghdr        *ifm;
