Fix palette mode

It was broken by commit 3787b17439d00d3684646e97c18d231860dae8b9

Change-Id: I2be0f6243e8716b9ca4c0321de381419108d1abe

vp10/decoder/decodeframe.c

diff --git a/vp10/decoder/decodeframe.c b/vp10/decoder/decodeframe.c
index 9d9fae0..509e1b8 100644
--- a/vp10/decoder/decodeframe.c
+++ b/vp10/decoder/decodeframe.c
@@ -1830,6 +1830,9 @@
             (xd->mb_to_bottom_edge >= 0 ?
              0 : xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
 
+        if (plane <= 1 && mbmi->palette_mode_info.palette_size[plane])
+          vp10_decode_palette_tokens(xd, plane, r);
+
         for (row = 0; row < max_blocks_high; row += step)
           for (col = 0; col < max_blocks_wide; col += step)
             predict_and_reconstruct_intra_block(xd,