From 1f202ed7a39f2f203ae2f50bcae7561f22bbcd0b Mon Sep 17 00:00:00 2001
From: Chang Luo <changluo@yahoo-inc.com>
Date: Wed, 16 Apr 2014 16:06:22 -0700
Subject: [PATCH] Port Max's crash fix to my 3.6 fork

---
 SDWebImage/SDWebImagePrefetcher.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/SDWebImage/SDWebImagePrefetcher.m b/SDWebImage/SDWebImagePrefetcher.m
index 595a9a9..1b7a88e 100644
--- a/SDWebImage/SDWebImagePrefetcher.m
+++ b/SDWebImage/SDWebImagePrefetcher.m
@@ -84,7 +84,9 @@
         }
 
         if (self.prefetchURLs.count > self.requestedCount) {
-            [self startPrefetchingAtIndex:self.requestedCount];
+            dispatch_async(dispatch_get_main_queue(), ^{
+                [self startPrefetchingAtIndex:self.requestedCount];
+            });
         }
         else if (self.finishedCount + self.skippedCount == self.requestedCount) {
             [self reportStatus];