From 765a89712062c62c759e0931a2e9c977ed912588 Mon Sep 17 00:00:00 2001
From: Fabrice Aneche <akh@nobugware.com>
Date: Mon, 6 Jan 2014 16:22:07 -0800
Subject: [PATCH] more details about delegate call with -1
 NSURLResponseUnknownLength

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

diff --git a/SDWebImage/SDWebImageDownloaderOperation.m b/SDWebImage/SDWebImageDownloaderOperation.m
index 1aed4b3..e886fb5 100644
--- a/SDWebImage/SDWebImageDownloaderOperation.m
+++ b/SDWebImage/SDWebImageDownloaderOperation.m
@@ -94,7 +94,7 @@
     {
         if (self.progressBlock)
         {
-            self.progressBlock(0, -1);
+            self.progressBlock(0, NSURLResponseUnknownLength);
         }
         [[NSNotificationCenter defaultCenter] postNotificationName:SDWebImageDownloadStartNotification object:self];