[Fix] AFImageDownloader (1.0.0)

Author: Ash Furrow

AFImageDownloader/1.0.0/AFImageDownloader.podspec

@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
   s.license	     = 'MIT'
   s.homepage     = 'https://github.com/AshFurrow/AFImageDownloader'
   s.dependency    'Kiwi', '~> 1.1.1'
+  s.requires_arc = true
   s.platform     = :ios, '5.0'
   s.license      = 'MIT'
 end
-