Docs: Switch to the more common syntax for variadic function documentation.

See #37402

Built from https://develop.svn.wordpress.org/trunk@45418


git-svn-id: http://core.svn.wordpress.org/trunk@45229 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/formatting.php

@@ -4811,8 +4811,8 @@ function wp_pre_kses_less_than_callback( $matches ) {
  * @since 2.5.0
  * @link https://secure.php.net/sprintf
  *
- * @param string $pattern   The string which formatted args are inserted.
- * @param mixed  $args ,... Arguments to be formatted into the $pattern string.
+ * @param string $pattern The string which formatted args are inserted.
+ * @param mixed  ...$args Arguments to be formatted into the $pattern string.
  * @return string The formatted string.
  */
 function wp_sprintf( $pattern ) {