From e26768484b03eaa827f59b85d367fabbb43fdc88 Mon Sep 17 00:00:00 2001
From: Waqas Hussain <waqas20@gmail.com>
Date: Fri, 28 Nov 2008 22:47:22 +0500
Subject: Quickfix for dns.lua to not crash on failed connection to name
 servers

---
 net/dns.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/dns.lua b/net/dns.lua
index 7364161e..ea1d5d96 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -691,7 +691,8 @@ function resolver:pulse ()    -- - - - - - - - - - - - - - - - - - - - -  pulse
           if not next (self.active) then  return nil  end
         else
           -- print ('retry', o.server, o.delay)
-          self.socket[o.server]:send (o.packet)
+          local _a = self.socket[o.server];
+          if _a then _a:send (o.packet) end
           o.retry = self.time + self.delays[o.delay]
           end  end  end  end
 
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