renderware txd image decoder uses get_buffer, set CODEC_CAP_DR1

Originally committed as revision 19110 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/txd.c

@@ -163,7 +163,7 @@ AVCodec txd_decoder = {
     NULL,
     txd_end,
     txd_decode_frame,
-    0,
+    CODEC_CAP_DR1,
     NULL,
     .long_name = NULL_IF_CONFIG_SMALL("Renderware TXD (TeXture Dictionary) image"),
 };