From aec267f6b8f1e28978de8c970ba01b7cc5f941a6 Mon Sep 17 00:00:00 2001
From: Oliver Klee <github@oliverklee.de>
Date: Sun, 27 Oct 2024 08:28:28 +0100
Subject: [PATCH] [BUGFIX] Fix another implictly nullable parameter

This fixes compatibility with PHP 8.4.

This is the last part of the v8.x backport of #643.
---
 CHANGELOG.md            | 2 +-
 src/RuleSet/RuleSet.php | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3e2b3ca..c39c583f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 
 ### Added
 
-- Add support for PHP 8.4 (#675, #701, #746)
+- Add support for PHP 8.4 (#675, #701, #746, #751)
 
 ### Changed
 
diff --git a/src/RuleSet/RuleSet.php b/src/RuleSet/RuleSet.php
index adb9be92..8cbbd34f 100644
--- a/src/RuleSet/RuleSet.php
+++ b/src/RuleSet/RuleSet.php
@@ -102,7 +102,7 @@ public function getLineNo()
      *
      * @return void
      */
-    public function addRule(Rule $oRule, Rule $oSibling = null)
+    public function addRule(Rule $oRule, $oSibling = null)
     {
         $sRule = $oRule->getRule();
         if (!isset($this->aRules[$sRule])) {