Refactor dialog package.

src/EditPatientDialog.cpp

@@ -23,7 +23,7 @@ int queryValue(QSqlTableModel* model, int colID, const QVariant& var)
 }
 
 EditPatientDialog::EditPatientDialog(QWidget *parent, Qt::WindowFlags f) : GUIFormBaseDialog(parent, f) {
-    QVBoxLayout* layout = new QVBoxLayout(formWidget);
+    QVBoxLayout* layout = new QVBoxLayout(mFormWidget);
     layout->setSpacing(10);
     // add title
     QLabel* lbl_title = new QLabel(this);