Docs: Update some @var tags per the documentation standards.

Follow-up to [27398], [29487], [41626], [51003].

See #53399.

git-svn-id: https://develop.svn.wordpress.org/trunk@52355 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-customize-section.php

@@ -56,7 +56,7 @@ class WP_Customize_Section {
 	 * Priority of the section which informs load order of sections.
 	 *
 	 * @since 3.4.0
-	 * @var integer
+	 * @var int
 	 */
 	public $priority = 160;