From da2a321c2318e11515c7844decff9dc019e6eb30 Mon Sep 17 00:00:00 2001
From: Mike Hearn <hearn@google.com>
Date: Mon, 29 Jul 2013 17:17:58 +0200
Subject: [PATCH] Wallet: add a missing @Nullable annotation.

---
 core/src/main/java/com/google/bitcoin/core/Wallet.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/com/google/bitcoin/core/Wallet.java b/core/src/main/java/com/google/bitcoin/core/Wallet.java
index abc204794..377dbe7f1 100644
--- a/core/src/main/java/com/google/bitcoin/core/Wallet.java
+++ b/core/src/main/java/com/google/bitcoin/core/Wallet.java
@@ -455,7 +455,7 @@ public class Wallet implements Serializable, BlockChainListener, PeerFilterProvi
      * @param eventListener callback to be informed when the auto-save thread does things, or null
      */
     public WalletFiles autosaveToFile(File f, long delayTime, TimeUnit timeUnit,
-                                      WalletFiles.Listener eventListener) {
+                                      @Nullable WalletFiles.Listener eventListener) {
         lock.lock();
         try {
             checkState(vFileManager == null, "Already auto saving this wallet.");