Merge branch 't/oggdec_cleanups'

diff --cc NEWS
index 946524b2c033a89475f4dbcfd10949b3cad81f2c,40c30bf9ea19c70095c489d5a6cd41c7c29e9b03..5cfee4fb21bc5bad6497c69fd1f327f279ba71ec
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -21,10 -21,8 +21,11 @@@ are the highlights of this release
          gengetopt to build the tarball.
        - Compiles cleanly also with llvm/clang.
        - Corrupt mp3 files are handled more gracefully.
 +      - The alsa writer uses poll fds instead of computing timeouts.
 +      - Cleanup of the generic writer API.
        - sched: Optimized zero timeouts.
        - vss timeout cleanups.
++      - oggdec fixes and improvements.
  
  --------------------------------------
  0.4.7 (2011-06-01) "infinite rollback"