cosmetics: Fix typos in ADPCM codec long names.

Originally committed as revision 13173 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/adpcm.c

@@ -1648,9 +1648,9 @@ ADPCM_DECODER(CODEC_ID_ADPCM_IMA_SMJPEG, adpcm_ima_smjpeg, "IMA Loki SDL MJPEG A
 ADPCM_CODEC  (CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav, "IMA Wav ADPCM");
 ADPCM_DECODER(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws, "IMA Westwood ADPCM");
 ADPCM_CODEC  (CODEC_ID_ADPCM_MS, adpcm_ms, "Microsoft ADPCM");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2, "Sound Blaster Pro 2 bits ADPCM");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3, "Sound Blaster Pro 2.6 bits ADPCM");
-ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4, "Sound Blaster Pro 4 bits ADPCM");
+ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_2, adpcm_sbpro_2, "Sound Blaster Pro 2-bit ADPCM");
+ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_3, adpcm_sbpro_3, "Sound Blaster Pro 2.6-bit ADPCM");
+ADPCM_DECODER(CODEC_ID_ADPCM_SBPRO_4, adpcm_sbpro_4, "Sound Blaster Pro 4-bit ADPCM");
 ADPCM_CODEC  (CODEC_ID_ADPCM_SWF, adpcm_swf, "Shockwave Flash ADPCM");
 ADPCM_DECODER(CODEC_ID_ADPCM_THP, adpcm_thp, "Nintendo Gamecube THP ADPCM");
 ADPCM_DECODER(CODEC_ID_ADPCM_XA, adpcm_xa, "CDROM XA ADPCM");