Make 16-bit FFT work with gcc, update license info, and add test program.

Review URL: https://webrtc-codereview.appspot.com/1103006

git-svn-id: http://webrtc.googlecode.com/svn/deps/third_party/openmax@3504 4adac7df-926f-26a2-2b94-8c16560cd09d
18 files changed
tree: caffdd90d6a4131ef37084a6520b667c148b0416
  1. dl/