Docs: Correct $id parameter type for old_slug_redirect_post_id filter.

Props dlh.
Merges [42722] to the 4.9 branch.
Fixes #43375.
Built from https://develop.svn.wordpress.org/branches/4.9@43026


git-svn-id: http://core.svn.wordpress.org/branches/4.9@42855 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/query.php

@@ -880,7 +880,7 @@ function wp_old_slug_redirect() {
 		 *
 		 * @since 4.9.3
 		 *
-		 * @param string $id The redirect post ID.
+		 * @param int $id The redirect post ID.
 		 */
 		$id = apply_filters( 'old_slug_redirect_post_id', $id );
 
@@ -962,7 +962,6 @@ function _find_post_by_old_slug( $post_type ) {
  * @param string $post_type The current post type based on the query vars.
  * @return int $id The Post ID.
  */
-
 function _find_post_by_old_date( $post_type ) {
 	global $wpdb;
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.9.5';
+$wp_version = '4.9.6-alpha-43026';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.