add MS ADPCM fourcc

Originally committed as revision 5655 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/mov.c

@@ -162,6 +162,7 @@ static const CodecTag mov_audio_tags[] = {
     { CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') }, /*  */
     { CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') }, /*  */
     { CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') }, /* IMA-4 ADPCM */
+    { CODEC_ID_ADPCM_MS, MKTAG('m', 's', 0x00, 0x02) }, /* MS ADPCM */
     { CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') }, /* Macintosh Audio Compression and Expansion 3:1 */
     { CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') }, /* Macintosh Audio Compression and Expansion 6:1 */