use initializer lists

Change-Id: I82b04601f1db52197b3dc625b6b7e0f143c1c8b6
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/designer/formeditorplugin.cpp

@@ -96,7 +96,7 @@ bool FormEditorPlugin::initialize(const QStringList &arguments, QString *error)
                     wizard->setDescription(tr("Creates a Qt Designer form along with a matching class (C++ header and source file) "
                     "for implementation purposes. You can add the form and class to an existing Qt Widget Project."));
 
-                    return QList<IWizardFactory *>() << wizard;
+                    return {wizard};
                 });
 #endif