Fix Qt 5.14 build

include/ui/resizelayoutpopup.h

@@ -1,6 +1,9 @@
 #ifndef RESIZELAYOUTPOPUP_H
 #define RESIZELAYOUTPOPUP_H
 
+#include "maplayout.h"
+#include "project.h"
+
 #include <QDialog>
 #include <QPointer>
 #include <QGraphicsScene>
@@ -13,9 +16,6 @@ namespace Ui {
     class ResizeLayoutPopup;
 }
 
-class Layout;
-class Project;
-
 
 
 /// Custom scene that paints its background a gray checkered pattern.