Build Failed - expat_config.h file not found in xmlrole.c file.

What steps will reproduce the problem?
1. Open XCode 4.5
2. Download the project from the SVN
3. Try to build

What is the expected output? What do you see instead?
I'd expect to succesfully build the project, an error stating that there's a 
missing file is shown.

What version of the product are you using? On what operating system?
XCode v4.5.
OSX 10.8

Please provide any additional information below.

Original issue reported on code.google.com by cgasc...@frozenshard.com on 18 Jan 2013 at 5:08

Attachments:

[Captura de pantalla 2013-01-18 a la(s) 18.08.03.png](https://storage.googleapis.com/google-code-attachments/in-the-box/issue-15/comment-0/Captura de pantalla 2013-01-18 a la%28s%29 18.08.03.png)

sunilyadav050585 / in-the-box

Build Failed - expat_config.h file not found in xmlrole.c file. #15