[master] 0046616 fix garbled output for backend.list [-v|-p]

[Nils Goroll]

commit 0046616ce918d3eae71068b1569e234df482b157
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Wed May 2 15:21:22 2018 +0200

    fix garbled output for backend.list [-v|-p]

diff --git a/bin/varnishd/cache/cache_backend.c b/bin/varnishd/cache/cache_backend.c
index 88a28cd..982183b 100644
--- a/bin/varnishd/cache/cache_backend.c
+++ b/bin/varnishd/cache/cache_backend.c
@@ -420,7 +420,7 @@ vbe_list(const struct director *d, struct vsb *vsb, int vflag, int pflag)
 
 	if (bp->probe != NULL)
 		VBP_Status(vsb, bp, vflag | pflag);
-	else
+	else if ((vflag | pflag) == 0)
 		VSB_printf(vsb, "%-10s", d->sick ? "sick" : "healthy");
 }