[VOL-5564]:check nni resource mgr is empty before clearing the resources

Change-Id: Iad917d12f82f7c706bd6b23105a76f469419c528
Signed-off-by: balaji.nagarajan <balaji.nagarajan@radisys.com>
diff --git a/VERSION b/VERSION
index 7885f82..f07249b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.6.14
+4.6.15