Minor code style adjustments

includes/class-wpliveticker2-widget.php

@@ -7,6 +7,10 @@
  * @package WPLiveticker2
  */
 
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
 /**
  * Class WPLiveticker2_Widget.
  */
@@ -32,6 +36,8 @@ class WPLiveticker2_Widget extends WP_Widget {
 	 * @param array $args     Display arguments including 'before_title', 'after_title',
 	 *                        'before_widget', and 'after_widget'.
 	 * @param array $instance The settings for the particular instance of the widget.
+	 *
+	 * @return void
 	 */
 	public function widget( $args, $instance ) {
 		// Notify WPLT2 class that widget is present.