Docs: Add a missing file header for wp-includes/class-wp-http-curl.php, introduced in [33748].

Also clarifies the class DocBlock summary for `WP_Http_Curl` to better describe its purpose.

See #33413. See #33701.

Built from https://develop.svn.wordpress.org/trunk@33874


git-svn-id: http://core.svn.wordpress.org/trunk@33842 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-http-curl.php

@@ -1,11 +1,19 @@
 <?php
 /**
+ * HTTP API: WP_Http_Curl object class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 4.4.0
+ */
+
+/**
+ * Core class used to integrate Curl as an HTTP transport.
+ *
  * HTTP request method uses Curl extension to retrieve the url.
  *
  * Requires the Curl extension to be installed.
  *
- * @package WordPress
- * @subpackage HTTP
  * @since 2.7.0
  */
 class WP_Http_Curl {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33873';
+$wp_version = '4.4-alpha-33874';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.