[addlayerbutton] Initialise pointer

Author: elpaso

src/app/qgsdatasourcemanagerdialog.cpp

@@ -55,7 +55,7 @@ QgsDataSourceManagerDialog::QgsDataSourceManagerDialog( QgsMapCanvas *mapCanvas,
   connect( ovl, &QgsOpenVectorLayerDialog::addVectorLayers, this, &QgsDataSourceManagerDialog::vectorLayersAdded );
 
   // Add data provider dialogs
-  QDialog *dlg;
+  QDialog *dlg = nullptr;
 
 #ifdef HAVE_POSTGRESQL
   addDbProviderDialog( QStringLiteral( "postgres" ), tr( "PostgreSQL" ), QStringLiteral( "/mActionAddPostgisLayer.svg" ) );
@@ -127,7 +127,6 @@ void QgsDataSourceManagerDialog::vectorLayersAdded( const QStringList &layerQStr
 }
 
 
-
 QDialog *QgsDataSourceManagerDialog::providerDialog( const QString providerKey, const QString providerName, const QString icon )
 {
   QDialog *dlg = dynamic_cast<QDialog *>( QgsProviderRegistry::instance()->createSelectionWidget( providerKey, this, Qt::Widget, true ) );