MantleFramework/Mantle — pull request #220 by kylef (2014-01-24 13:03:05+00:00)
Title: MTLManagedObjectAdapter: Fix a bug where errors are silently handled

It was using `error` but this error is replaced later in the method and never passed as an error.

```objective-c
if (error != NULL) {
*error = tmpError;
}
```