add CODEC_TYPE_NB to enum CodecType, will be used to declare option arrays in ffmpeg.c

Patch by Benoit Fouet % benoit P fouet A purplelabs P com %

Originally committed as revision 8096 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -258,6 +258,7 @@ enum CodecType {
     CODEC_TYPE_AUDIO,
     CODEC_TYPE_DATA,
     CODEC_TYPE_SUBTITLE,
+    CODEC_TYPE_NB
 };
 
 /* currently unused, may be used if 24/32 bits samples ever supported */