Docs: Correct `@type` annotation for `WP_Http_Curl` properties.

Props diddledan.
Fixes #46860.

git-svn-id: https://develop.svn.wordpress.org/trunk@45749 602fd350-edb4-49c9-b593-d223f7449a82

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

@@ -38,7 +38,7 @@ class WP_Http_Curl {
 	 * The maximum amount of data to receive from the remote server.
 	 *
 	 * @since 3.6.0
-	 * @var int
+	 * @var int|false
 	 */
 	private $max_body_length = false;
 
@@ -46,7 +46,7 @@ class WP_Http_Curl {
 	 * The file resource used for streaming to file.
 	 *
 	 * @since 3.6.0
-	 * @var resource
+	 * @var resource|false
 	 */
 	private $stream_handle = false;