[Bug 674091] Update a52dec to compile against liba52 git master

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=674091
  GStreamer | gst-plugins-ugly | git

--- Comment #3 from LRN <lrn1986 at gmail.com> 2012-04-15 17:19:47 UTC ---
Created an attachment (id=212089)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=212089)
A diff between original liba52 and videolan version