ncobmc-adapt-weight: add bitstream to support warped motion

Change-Id: I0e9df3719e5f9a55e1386afe44851d1707e2e01b
diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index 16a9b28..34f9942 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -214,6 +214,9 @@
   int motion_mode_cost[BLOCK_SIZES_ALL][MOTION_MODES];
 #if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
   int motion_mode_cost1[BLOCK_SIZES_ALL][2];
+#if CONFIG_NCOBMC_ADAPT_WEIGHT
+  int motion_mode_cost2[BLOCK_SIZES_ALL][OBMC_FAMILY_MODES];
+#endif
 #endif  // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
 #if CONFIG_MOTION_VAR && CONFIG_NCOBMC_ADAPT_WEIGHT
   int ncobmc_mode_cost[ADAPT_OVERLAP_BLOCKS][MAX_NCOBMC_MODES];