From ab2074c73106fe688ba7b92c350342e2878ac41d Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael@signal.org>
Date: Mon, 2 Apr 2018 17:52:53 -0400
Subject: [PATCH] CR: Avoid unnecessary retain

// FREEBIE
---
 Signal/src/util/OWSScreenLock.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Signal/src/util/OWSScreenLock.swift b/Signal/src/util/OWSScreenLock.swift
index af2f2325f..496f00958 100644
--- a/Signal/src/util/OWSScreenLock.swift
+++ b/Signal/src/util/OWSScreenLock.swift
@@ -38,7 +38,7 @@ import LocalAuthentication
     private var ignoreUnlockUntilActive = false
 
     // We temporarily resign any first responder while the Screen Lock is presented.
-    var firstResponderBeforeLockscreen: UIResponder?
+    weak var firstResponderBeforeLockscreen: UIResponder?
 
     // MARK - Singleton class