Correct typo in JSDoc for `wp.updates.decrementCount`

Props mt8.biz.
Fixes #33363.

Built from https://develop.svn.wordpress.org/trunk@33638


git-svn-id: http://core.svn.wordpress.org/trunk@33605 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/updates.js

@@ -93,7 +93,7 @@ window.wp = window.wp || {};
 	 *
 	 * @since 3.9.0
 	 *
-	 * @param {string} updateType
+	 * @param {string} upgradeType
 	 */
 	wp.updates.decrementCount = function( upgradeType ) {
 		var count,

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33637';
+$wp_version = '4.4-alpha-33638';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.