[VOL-5392]-handled nil pointer exception during onu sw upgrade

Change-Id: I94a2539c91452dd65af3772ad640b267cd0c90f2
Signed-off-by: Akash Soni <akash.soni@radisys.com>
diff --git a/VERSION b/VERSION
index e61dbb0..3ea8cf4 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.3-dev1
+2.12.4-dev1