Renderware TXD decoder

Originally committed as revision 8926 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -139,6 +139,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(TRUEMOTION1, truemotion1);
     REGISTER_DECODER(TRUEMOTION2, truemotion2);
     REGISTER_DECODER(TSCC, tscc);
+    REGISTER_DECODER(TXD, txd);
     REGISTER_DECODER(ULTI, ulti);
     REGISTER_DECODER(VC1, vc1);
     REGISTER_DECODER(VCR1, vcr1);