vp10: use correct constant for bw adaptation of seg pred probs.

Change-Id: Idb869a77a126982814b8e7e288f952a65340e6be

vp10/common/entropymode.c

@@ -865,7 +865,7 @@ void vp10_adapt_intra_frame_probs(VP10_COMMON *cm) {
 
 #if CONFIG_MISC_FIXES
   if (cm->seg.temporal_update) {
-    for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
+    for (i = 0; i < PREDICTION_PROBS; i++)
       fc->seg.pred_probs[i] = mode_mv_merge_probs(pre_fc->seg.pred_probs[i],
                                                   counts->seg.pred[i]);