From c856859fbde37930c67d1f2b2fa33b25718568fc Mon Sep 17 00:00:00 2001
From: Matthew Chen <matthew@signal.org>
Date: Thu, 4 Oct 2018 11:56:21 -0400
Subject: [PATCH] Fix build breakage.

---
 SignalServiceKit/src/Messages/OWSMessageDecrypter.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SignalServiceKit/src/Messages/OWSMessageDecrypter.m b/SignalServiceKit/src/Messages/OWSMessageDecrypter.m
index 42b27a08f..d6f9cfa1c 100644
--- a/SignalServiceKit/src/Messages/OWSMessageDecrypter.m
+++ b/SignalServiceKit/src/Messages/OWSMessageDecrypter.m
@@ -28,7 +28,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-NSError *EnsureDecryptError(nullable NSError *error, NSString *fallbackErrorDescription)
+NSError *EnsureDecryptError(NSError *_Nullable error, NSString *fallbackErrorDescription)
 {
     if (error) {
         return error;