--- a/src/headerhistorymodel.h	Wed Jun 20 00:00:26 2018 +0300
+++ b/src/headerhistorymodel.h	Thu Jun 21 17:02:58 2018 +0300
@@ -19,7 +19,7 @@
 #pragma once
 #include <QAbstractTableModel>
 
-class LDHeader;
+struct LDHeader;
 
 class HeaderHistoryModel : public QAbstractTableModel
 {