AFNetworking/AFNetworking — pull request #890 by noa-- (2013-04-02 18:26:46+00:00)
Title: Fix macro to work correctly under 10.7 SDK / iOS 4 SDK

This is a simple change that fixes a compilation problem under the 10.7 SDK. Without this change, the error is:
`Cannot find protocol declaration for 'NSURLConnectionDataDelegate'`