From bd3e69685c5dd83f94c0ee4307d4ad3905089500 Mon Sep 17 00:00:00 2001
From: Stefan Bodewig <bodewig@apache.org>
Date: Mon, 22 Mar 2021 08:22:36 +0100
Subject: [PATCH] we don't want multiple instances of NullOutputStream

---
 src/main/org/apache/tools/ant/util/NullOutputStream.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/org/apache/tools/ant/util/NullOutputStream.java b/src/main/org/apache/tools/ant/util/NullOutputStream.java
index 689ac495c..c8e989882 100644
--- a/src/main/org/apache/tools/ant/util/NullOutputStream.java
+++ b/src/main/org/apache/tools/ant/util/NullOutputStream.java
@@ -33,6 +33,8 @@ public class NullOutputStream extends OutputStream {
      */
     public static NullOutputStream INSTANCE = new NullOutputStream();
 
+    private NullOutputStream() { }
+
     /**
      * Doesn't do anything.
      */