Minimal change fix to build with ffmpeg2.

Index: FusionSound-1.1.1/interfaces/IFusionSoundMusicProvider/ifusionsoundmusicprovider_ffmpeg.c
===================================================================
--- FusionSound-1.1.1.orig/interfaces/IFusionSoundMusicProvider/ifusionsoundmusicprovider_ffmpeg.c
+++ FusionSound-1.1.1/interfaces/IFusionSoundMusicProvider/ifusionsoundmusicprovider_ffmpeg.c
@@ -46,6 +46,10 @@
 #include <libavformat/avformat.h>
 #include <libavutil/mathematics.h>
 
+#ifndef MAX_AUDIO_FRAME_SIZE
+#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
+#endif
+
 static DFBResult
 Probe( IFusionSoundMusicProvider_ProbeContext *ctx );
 
@@ -416,11 +420,11 @@ IFusionSoundMusicProvider_FFmpeg_Destruc
           /* Ugly hack to fix a bug (segfault) in url_fclose() */
           if (!(iformat->flags & AVFMT_NOFILE)) {
                iformat->flags |= AVFMT_NOFILE;
-               av_close_input_file( data->ctx );
+               avformat_close_input( &data->ctx );
                iformat->flags ^= AVFMT_NOFILE;
           }
           else {
-               av_close_input_file( data->ctx );
+               avformat_close_input( &data->ctx );
           }
      }