add CODEC_CAP_SUBFRAMES to the FLAC decoder capabilities. also add a FIXME

comment as a reminder that we can remove both capabilities once a parser is
implemented.

Originally committed as revision 19891 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/flacdec.c

@@ -806,7 +806,9 @@ AVCodec flac_decoder = {
     NULL,
     flac_decode_close,
     flac_decode_frame,
-    CODEC_CAP_DELAY,
+    CODEC_CAP_DELAY | CODEC_CAP_SUBFRAMES, /* FIXME: add a FLAC parser so that
+                                              we will not need to use either
+                                              of these capabilities */
     .flush= flac_flush,
     .long_name= NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"),
 };