AFNetworking/AFOAuth2Client — pull request #21 by ejensen (2013-04-04 20:49:32+00:00)
Title: Fixed memory leak in +retrieveCredentialWithIdentifier:

Fixed a memory leak caused by an unreleased CFDataRef.

![CFDataRef_leak](https://f.cloud.github.com/assets/915431/341201/1cfa6dfe-9d69-11e2-84ba-3f0751a8711c.png)