Added setting for default VAT type on Direct sell dialog. Fixed some compiler warnings.

shop/directsaleform.cpp

@@ -1,12 +1,13 @@
 #include "directsaleform.h"
 #include "ui_directsaleform.h"
 
-DirectSaleForm::DirectSaleForm(QWidget *parent) :
+DirectSaleForm::DirectSaleForm(QWidget *parent, Enums::VatType defaultVat) :
     QDialog(parent),
     ui(new Ui::DirectSaleForm)
 {
     ui->setupUi(this);
     m_shopItem = QSharedPointer<DirectSaleItem>(new DirectSaleItem);
+    m_shopItem->setVatType(defaultVat);
 
     m_binder.setData(m_shopItem.data());
     m_binder.registerBinding(ui->name);