Fix aquireHostList bug when using active failover

Author: mpv1989

ChangeLog

@@ -1,3 +1,7 @@
+v4.4.2 (xxxx-xx-xx)
+---------------------------
+* fixed aquireHostList bug when using active failover
+
 v4.4.1 (2018-06-04)
 ---------------------------
 * fixed concurrency bug in VST when using connectionTtl