From 83e8906aa7318aab751e40b2f114585815383322 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Sat, 6 Oct 2018 12:37:06 +0200
Subject: Fix error in locallyModified.

---
 services/sync/modules/engines.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/services/sync/modules/engines.js b/services/sync/modules/engines.js
index 35e8d6954..8fce34ff7 100644
--- a/services/sync/modules/engines.js
+++ b/services/sync/modules/engines.js
@@ -1250,7 +1250,7 @@ SyncEngine.prototype = {
     // because some state may change during the course of this function and we
     // need to operate on the original values.
     let existsLocally   = this._store.itemExists(item.id);
-    let locallyModified = this._modified.has(item.id);
+    let locallyModified = item.id in this._modified;
 
     // TODO Handle clock drift better. Tracked in bug 721181.
     let remoteAge = AsyncResource.serverTime - item.modified;
-- 
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