Correct typo in doc block for `WP_Filesystem_ftpsockets::rmdir`

Props Toro_Unit.
Fixes #33255.

Built from https://develop.svn.wordpress.org/trunk@33639


git-svn-id: http://core.svn.wordpress.org/trunk@33606 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-filesystem-ftpsockets.php

@@ -395,7 +395,7 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 	}
 
 	/**
-	 * @param sting $path
+	 * @param string $path
 	 * @param bool $recursive
 	 */
 	public function rmdir($path, $recursive = false ) {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33638';
+$wp_version = '4.4-alpha-33639';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.