[master] b405b86 Don't fail on systems which don't need optreset

[Poul-Henning Kamp]

commit b405b8658ee0fe3891c52d63344c6ea19cc7057b
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Thu Dec 22 10:47:00 2016 +0000

    Don't fail on systems which don't need optreset

diff --git a/bin/varnishd/mgt/mgt_main.c b/bin/varnishd/mgt/mgt_main.c
index d98babe..d820aa2 100644
--- a/bin/varnishd/mgt/mgt_main.c
+++ b/bin/varnishd/mgt/mgt_main.c
@@ -73,6 +73,8 @@ struct VSC_C_mgt	*VSC_C_mgt;
 
 static struct vpf_fh *pfh = NULL;
 
+extern int optreset;	// Some has it, some doesn't.  Cheaper than auto*
+
 /*--------------------------------------------------------------------*/
 
 static void