More work on rejoin. Server still sends a denial message.

src/playerdata.h

@@ -94,6 +94,8 @@ public:
 	void SetNumber(int number);
 	std::string GetGuid() const;
 	void SetGuid(const std::string &guid);
+	std::string GetOldGuid() const;
+	void SetOldGuid(const std::string &guid);
 	DB_id GetDBId() const;
 	void SetDBId(DB_id id);
 
@@ -104,6 +106,7 @@ private:
 	DB_id							m_dbId;
 	int								m_number;
 	std::string						m_guid;
+	std::string						m_oldGuid;
 	std::string						m_name;
 	std::string						m_password;
 	std::string						m_country;