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net.adns: Import setmetatable into a local (fixes traceback on Lua 5.2)
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@ -12,6 +12,7 @@ local new_resolver = require "net.dns".resolver;
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local log = require "util.logger".init("adns");
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local coroutine, tostring, pcall = coroutine, tostring, pcall;
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local setmetatable = setmetatable;
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local function dummy_send(sock, data, i, j) return (j-i)+1; end
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