Log Message:
libogg: updated to 1.3.4

Version 1.3.4:
* Faster slice-by-8 CRC32 implementation.
  see https://lwn.net/Articles/453931/ for motivation.
* Add CMake build.
* Deprecate Visual Studio project files in favor of CMake.
* configure --disable-crc option for fuzzing.
* Various build fixes.
* Documentation and example code fixes.