Fix missing headers.

src/libs/vlayout/vposter.cpp

@@ -43,6 +43,7 @@
 #include <QRectF>
 #include <QString>
 #include <QVector>
+#include <QtMath>
 
 #include "../ifc/exception/vexception.h"
 #include "../vmisc/compatibility.h"

src/libs/vlayout/vprintlayout.cpp

@@ -41,6 +41,7 @@
 #include <QPrintPreviewDialog>
 #include <QPrinterInfo>
 #include <QSpacerItem>
+#include <QtMath>
 
 #include "../ifc/exception/vexception.h"
 #include "../ifc/xml/vwatermarkconverter.h"

src/test/ValentinaTest/tst_dxf.cpp

@@ -31,6 +31,12 @@
 
 #include "../vmisc/compatibility.h"
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+#include "../vdxf/dxfdef.h"
+#include "../vdxf/libdxfrw/intern/drw_textcodec.h"
+#include "../vmisc/def.h"
+#endif
+
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 #include "../vmisc/vtextcodec.h"
 #else