Fix audit warnings
openbr 0.4.1 (new formula)

OpenBR is an open source framework, supplying face recognition and
related functionality.  OpenBR is a a communal biometrics framework
supporting the development of open algorithms and reproducible evaluations.
OpenBR is supported on Windows, Mac OS X, and Debian Linux. The project is
licensed under Apache 2.0 and releases follow the Semantic Versioning
convention. Internally the code base uses the CMake build system and
requires Qt and OpenCV.

Closes #494.