Docs: Correct `@since` value for `_wp_privacy_statuses()`.

Fix typo in `@since` entry for `WP_Privacy_Policy_Content:add()`.

Props dimadin.
Merges [43638] to the 4.9 branch.
Fixes #44915.
Built from https://develop.svn.wordpress.org/branches/4.9@43639


git-svn-id: http://core.svn.wordpress.org/branches/4.9@43468 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/misc.php

@@ -1271,7 +1271,7 @@ final class WP_Privacy_Policy_Content {
 	 *
 	 * Intended for use from `wp_add_privacy_policy_content()`.
 	 *
-	 * $since 4.9.6
+	 * @since 4.9.6
 	 *
 	 * @param string $plugin_name The name of the plugin or theme that is suggesting content for the site's privacy policy.
 	 * @param string $policy_text The suggested content for inclusion in the policy.

wp-includes/post.php

@@ -775,7 +775,7 @@ function get_page_statuses() {
 /**
  * Return statuses for privacy requests.
  *
- * @since 5.0.0
+ * @since 4.9.6
  *
  * @return array
  */

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9.9-alpha-43637';
+$wp_version = '4.9.9-alpha-43639';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.