migration fixes

gui.lua

@@ -322,7 +322,7 @@ function mail.replyall(name, message)
 	mail.ensure_new_format(message)
 	local replyfooter = "Type your reply here.\n\n--Original message follows--\n" ..message.body
 	-- new recipients are the sender plus the original recipients, minus ourselves
-	local recipients = message.to
+	local recipients = message.to or ""
 	if message.sender ~= nil then
 		recipients = message.sender .. ", " .. recipients
 	end

migrate.lua

@@ -29,8 +29,7 @@ end
 mail.migrate_contacts = function(playername)
 	local file = io.open(mail.getContactsFile(playername), 'r')
 	if not file then
-		file:close()	-- file doesn't exist! This is a case for Migrate Man!
-
+		-- file doesn't exist! This is a case for Migrate Man!
 		local messages = mail.getMessages(playername)
 		local contacts = {}
 

util/normalize.lua

@@ -36,6 +36,7 @@ function mail.concat_player_list(order)
 end
 
 function mail.player_in_list(name, list)
+    list = list or {}
     if type(list) == "string" then
         list = mail.parse_player_list(list)
     end