Docs: Add a missing @param entry for the $len parameter in the DocBlock for the deprecated generate_random_password() function.

See #32246.


git-svn-id: https://develop.svn.wordpress.org/trunk@36723 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/ms-deprecated.php

@@ -37,6 +37,8 @@ function get_dashboard_blog() {
  * @since MU
  * @deprecated 3.0.0 Use wp_generate_password()
  * @see wp_generate_password()
+ *
+ * @param int $len Optional. The length of password to generate. Default 8.
  */
 function generate_random_password( $len = 8 ) {
 	_deprecated_function( __FUNCTION__, '3.0', 'wp_generate_password()' );