OpenImageIO/oiio — pull request #806 by lgritz (2014-02-20 22:46:01+00:00)
Title: OpenEXR 1.x build fix -- include file directory issues.

OpenEXR 2.0 has this working smoother, with ```include ```. but 1.x has ```#include ``` which will get confused if the OpenEXR subdirectory is not explicitly listed.