update libav regression tests for r5449 (adpcm)

Originally committed as revision 5490 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/libav.regression.ref

@@ -59,9 +59,9 @@ e2a6d6fae17394dfe87cb5bb8ae11837 *./data/b-libav.al
 7a21ff174e3cca1702e0826c4ca0eccf *./data/b-libav.au
   89112 ./data/b-libav.au
 ./data/b-libav.au CRC=0x2a09519c
-20f9fa55b3c5bebe3520f5667ee4928b *./data/b-libav.mmf
+272b91d8fc31ed43b08246d182719751 *./data/b-libav.mmf
   22609 ./data/b-libav.mmf
-./data/b-libav.mmf CRC=0x7e78cffe
+./data/b-libav.mmf CRC=0x03633476
 a324baee6d76c53ab7c74616cfc31616 *./data/b-libav.aif
   89168 ./data/b-libav.aif
 ./data/b-libav.aif CRC=0x2a09519c