Add missing header to CMakeLists, remove stale comment

extern/ogre-ffmpeg-videoplayer/CMakeLists.txt

@@ -8,6 +8,7 @@ set(OGRE_FFMPEG_VIDEOPLAYER_SOURCE_FILES
 	videodefs.hpp
     libavwrapper.cpp
     audiodecoder.cpp
+    audiofactory.hpp
 )
 
 

extern/ogre-ffmpeg-videoplayer/audiofactory.hpp

@@ -11,7 +11,6 @@ namespace Video
 class MovieAudioFactory
 {
 public:
-    /// @note The ownership of the created decoder is passed to the caller.
     virtual boost::shared_ptr<MovieAudioDecoder> createDecoder(VideoState* videoState) = 0;
 };