After [32740], correct doc block typo.

See #29881.


git-svn-id: https://develop.svn.wordpress.org/trunk@32741 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-wp-posts-list-table.php

@@ -958,7 +958,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	/**
 	 * @since 4.3.0
 	 *
-	 * @param WP_Post $post
+	 * @param WP_Post $item
 	 */
 	public function single_row_columns( $item ) {
 		list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();