fix decoding of conformace streams AUD_MW_E.264 and BA1_FT_C.264 again (there...

fix decoding of conformace streams AUD_MW_E.264 and BA1_FT_C.264 again (there where last correctly decoded with h264.c rev 1.96)

Originally committed as revision 4189 to svn://svn.ffmpeg.org/ffmpeg/trunk