QtPrintSupport: includemocs

Including moc files directly into their classes' TU tends to improve
codegen and enables extended compiler warnings, e.g. about unused
private functions or fields.

Pick-to: 6.3 6.2 5.15
Task-number: QTBUG-102886
Change-Id: Ic8ceebfa270d0831a8598f98aa255acfc17e953b
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

src/printsupport/dialogs/qabstractprintdialog.cpp

@@ -431,3 +431,5 @@ void QPrintDialog::open(QObject *receiver, const char *member)
 }
 
 QT_END_NAMESPACE
+
+#include "moc_qabstractprintdialog.cpp"

src/printsupport/dialogs/qpagesetupdialog_unix.cpp

@@ -752,4 +752,6 @@ int QPageSetupDialog::exec()
 
 QT_END_NAMESPACE
 
+#include "moc_qpagesetupdialog_unix_p.cpp"
+
 #include "moc_qpagesetupdialog.cpp"

src/printsupport/kernel/qplatformprintplugin.cpp

@@ -107,4 +107,6 @@ QPlatformPrinterSupport *QPlatformPrinterSupportPlugin::get()
 
 QT_END_NAMESPACE
 
+#include "moc_qplatformprintplugin.cpp"
+
 #endif

src/printsupport/widgets/qcupsjobwidget.cpp

@@ -261,3 +261,5 @@ QCUPSSupport::BannerPage QCupsJobWidget::endBannerPage() const
 }
 
 QT_END_NAMESPACE
+
+#include "moc_qcupsjobwidget_p.cpp"