Fix saveload exception handling when gamelog action in progress

src/gamelog.cpp

@@ -65,6 +65,11 @@ void GamelogStopAction()
 	if (print) GamelogPrintDebug(5);
 }
 
+void GamelogStopActionIfStarted()
+{
+	if (_gamelog_action_type != GLAT_NONE) GamelogStopAction();
+}
+
 /**
  * Frees the memory allocated by a gamelog
  */