Include new bug fix of fabric-tna

Includes the bug fix of watchlist
https://github.com/stratum/fabric-tna/pull/105

Change-Id: I4626e747ec71b82dbd01f6256860590e277e5e5a
diff --git a/Makefile.vars b/Makefile.vars
index 6a95d52..4fd5451 100644
--- a/Makefile.vars
+++ b/Makefile.vars
@@ -32,4 +32,4 @@
 export FABRIC_TOFINO_VERSION   ?= e1cf4551b4ab74bb82a7cecf19d197698ffbc1cb
 export UP4_VERSION             ?= b65aa0ff16627ae638c344d2b014c8e54b49a502
 export KAFKA_ONOS_VERSION      ?= 2.4.0-SNAPSHOT
-export FABRIC_TNA_VERSION      ?= ec40b45e229ff94821ed1f176ea4cce333f74cce
+export FABRIC_TNA_VERSION      ?= 04a885aca700186e955800b2912f398d60035b0c