Docs: Add a changelog entry to the `pre_add_site_option_$option` hook doc for the `$option` parameter, added in [33738].

See #28402.

Built from https://develop.svn.wordpress.org/trunk@33788


git-svn-id: http://core.svn.wordpress.org/trunk@33756 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/option.php

@@ -1102,6 +1102,7 @@ function add_site_option( $option, $value ) {
 	 *
 	 * @since 2.9.0 As 'pre_add_site_option_' . $key
 	 * @since 3.0.0
+	 * @since 4.4.0 The `$option` parameter was added
 	 *
 	 * @param mixed  $value  Value of site option.
 	 * @param string $option Option name.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33787';
+$wp_version = '4.4-alpha-33788';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.