decodeframe.c: aom_read_tree_cdf->aom_read_symbol

This was a missed replacement from cherry-pick of:
9ac7a9dc8ced90a28f5b83801a50597dc12e50a7

Change-Id: I9e01d9d7a39bed397500a293bf68dca2746aa917

av1/decoder/decodeframe.c

diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 0fbf659..b202802 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -1441,8 +1441,8 @@
                                         ACCT_STR);
 #else
 #if CONFIG_DAALA_EC
-    p = (PARTITION_TYPE)aom_read_tree_cdf(r, cm->fc->partition_cdf[ctx],
-                                          PARTITION_TYPES, ACCT_STR);
+    p = (PARTITION_TYPE)aom_read_symbol(r, cm->fc->partition_cdf[ctx],
+                                        PARTITION_TYPES, ACCT_STR);
 #else
     p = (PARTITION_TYPE)aom_read_tree(r, av1_partition_tree, probs, ACCT_STR);
 #endif