libvorbis: Give consistent names to all functions, structs, and defines
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  libvorbis: Give consistent names to all functions, structs, and defines

Conflicts:
	libavcodec/libvorbisenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
tests/tiny_ssim: drop isatty() support

tiny_ssim is build on the host, not the target and the HAVE_* are set for the
target.
This patch fixes building tiny_ssim when HAVE_* differed between target and host

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>