[libcxx] r252274 - Cleanup foo.h headers and __config to work in C

[Joerg Sonnenberger via cfe-commits]

On Fri, Nov 06, 2015 at 06:30:12AM -0000, Eric Fiselier via cfe-commits wrote:
> Author: ericwf
> Date: Fri Nov  6 00:30:12 2015
> New Revision: 252274
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=252274&view=rev
> Log:
> Cleanup foo.h headers and __config to work in C

Why?

Joerg