github/ReactiveCocoa — pull request #291 by Coneko (2013-01-20 18:12:11+00:00)
Title: Fixed imports in RACExtensions.

The extensions import `EXTScope.h` as user header, but since they're not compiled together with the rest of the framework, and have to be compiled with the including project, the imports should treat it as a system header exported by RAC.