synchronize to latest ffm changes

Originally committed as revision 8092 to svn://svn.ffmpeg.org/ffmpeg/trunk

tests/libav.regression.ref

@@ -16,7 +16,7 @@ bdb7484c68db722f66ba1630cf79844c *./data/b-libav.mpg
 d6fdeb9f7083cc827f9510c6c4517dc0 *./data/b-libav.swf
 335771 ./data/b-libav.swf
 ./data/b-libav.swf CRC=0xe14e8847
-87a8c8be5db2513356b28f29dff5769e *./data/b-libav.ffm
+a1cd7fff97d5e4c83f0d18a22d51c552 *./data/b-libav.ffm
 380928 ./data/b-libav.ffm
 ./data/b-libav.ffm CRC=0x01522b4a
 f8ad5bd78f4d012a8ce9570aa395ac54 *./data/b-libav.flv