Use partition_cdf with CONFIG_EC_MULTISYMBOL.

Change-Id: I62b662052a4b9b1de07575824410aa9b2ce2c924
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 546bbf8..ad052a6 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -2181,7 +2181,7 @@
       av1_write_token(w, av1_ext_partition_tree, probs,
                       &ext_partition_encodings[p]);
 #else
-#if CONFIG_DAALA_EC
+#if CONFIG_EC_MULTISYMBOL
     aom_write_symbol(w, p, cm->fc->partition_cdf[ctx], PARTITION_TYPES);
 #else
     av1_write_token(w, av1_partition_tree, probs, &partition_encodings[p]);