From 469bff5734e6bcd531c6602e3c7208b409b2d905 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Mon, 9 Jan 2017 19:38:48 +0100
Subject: [PATCH] Make call delegate weak

// FREEBIE
---
 Signal/src/call/SignalCall.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Signal/src/call/SignalCall.swift b/Signal/src/call/SignalCall.swift
index 7b4b5f59b..3efa8f10b 100644
--- a/Signal/src/call/SignalCall.swift
+++ b/Signal/src/call/SignalCall.swift
@@ -16,7 +16,7 @@ enum CallState: String {
     case remoteBusy // terminal
 }
 
-protocol CallDelegate {
+protocol CallDelegate: class {
     func stateDidChange(call: SignalCall, state: CallState)
     func muteDidChange(call: SignalCall, isMuted: Bool)
 }
@@ -28,7 +28,7 @@ protocol CallDelegate {
 
     let TAG = "[SignalCall]"
 
-    var delegate: CallDelegate?
+    weak var delegate: CallDelegate?
     let remotePhoneNumber: String
 
     // Signal Service identifier for this Call. Used to coordinate the call across remote clients.