From 332154038922ef806df0587ac1fc1d08e6fa4c11 Mon Sep 17 00:00:00 2001
From: flackovic <filip.lackovic@undabot.com>
Date: Fri, 1 Mar 2019 16:11:08 +0100
Subject: [PATCH] Fix Symfony 4.2 deprecation warning

---
 DependencyInjection/Configuration.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index fc24e02..aaf4a2b 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,8 +17,8 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('redjan_ym_fcm');
+        $treeBuilder = new TreeBuilder('redjan_ym_fcm');
+        $rootNode = method_exists(TreeBuilder::class, 'getRootNode') ? $treeBuilder->getRootNode() : $treeBuilder->root('redjan_ym_fcm');
 
         $rootNode
             ->children()