Fix a typo in the DocBlock for WP_Http_Curl::$bytes_written_total introduced in [29968].

Props kpdesign.
See #26726.


git-svn-id: https://develop.svn.wordpress.org/trunk@30767 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-http.php

@@ -1333,7 +1333,7 @@ class WP_Http_Curl {
 	 * The total bytes written in the current request.
 	 *
 	 * @since 4.1.0
-	 * @access prviate
+	 * @access private
 	 * @var int
 	 */
 	private $bytes_written_total = 0;