From f356b86c2942eaf01e3808dbd40b9d77a0bde3ac Mon Sep 17 00:00:00 2001
From: Kevin Cador <kevin.cador@appconcept.be>
Date: Tue, 13 Aug 2013 10:40:46 +0200
Subject: [PATCH] The callbacksForURL: method of SDWebImageDownloader now
 returns a copied array. This should fix the crash in multithread environment
 such as: Collection <__NSArrayM: 0x226d9310> was mutated while being
 enumerated.

---
 SDWebImage/SDWebImageDownloader.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SDWebImage/SDWebImageDownloader.m b/SDWebImage/SDWebImageDownloader.m
index 10cd983e..063056fe 100644
--- a/SDWebImage/SDWebImageDownloader.m
+++ b/SDWebImage/SDWebImageDownloader.m
@@ -208,7 +208,7 @@ static NSString *const kCompletedCallbackKey = @"completed";
     {
         callbacksForURL = self.URLCallbacks[url];
     });
-    return callbacksForURL;
+    return [callbacksForURL copy];
 }
 
 - (void)removeCallbacksForURL:(NSURL *)url