prosody muc_size plugin, room get info error fix (Traceback[httpserver]: /usr/lib/prosody/util/async.lua:137: /prosody-plugins/mod_muc_size.lua:141: attempt to concatenate local 'subdomain' (a nil value)
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@ -137,7 +137,7 @@ function handle_get_room (event)
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local room_address
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= jid.join(room_name, muc_domain_prefix.."."..domain_name);
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if subdomain ~= "" then
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if subdomain and subdomain ~= "" then
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room_address = "["..subdomain.."]"..room_address;
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end
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