[VOL-4931] openoltAdapter: memory leak seen in long term tests

Change-Id: Ieb60bd9b4bdf88fc22a3b6704854591c0c30717d
diff --git a/VERSION b/VERSION
index a50236a..f77856a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.12
+4.3.1