shorten decoder by (Jeff Muizelaar <jrmuizel gmail com>)

Originally committed as revision 3984 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -194,6 +194,7 @@ void avcodec_register_all(void)
     register_avcodec(&sol_dpcm_decoder);
     register_avcodec(&qtrle_decoder);
     register_avcodec(&flac_decoder);
+    register_avcodec(&shorten_decoder);
 #endif /* CONFIG_DECODERS */
 
 #ifdef AMR_NB