avcodec: add libdcadec decoder

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/allcodecs.c

@@ -512,6 +512,7 @@ void avcodec_register_all(void)
 
     /* external libraries */
     REGISTER_DECODER(LIBCELT,           libcelt);
+    REGISTER_DECODER(LIBDCADEC,         libdcadec)
     REGISTER_ENCODER(LIBFAAC,           libfaac);
     REGISTER_ENCDEC (LIBFDK_AAC,        libfdk_aac);
     REGISTER_ENCDEC (LIBGSM,            libgsm);