Check multiple engine sources for updated AuthIDs. (#552)

* Check multiple engine sources for updated AuthIDs.
* References are not defined.

core/PlayerManager.h

@@ -120,6 +120,8 @@ private:
 	void Authorize_Post();
 	void DoPostConnectAuthorization();
 	bool IsAuthStringValidated();
+	bool SetEngineString();
+	bool SetCSteamID();
 private:
 	bool m_IsConnected;
 	bool m_IsInGame;