[qca-nss-clients] Fix the DTLS metadata header

Remove extra 2 bytes for reserve

Change-Id: I80d6f9d97e5ad60b6cda5823ef3aeda66826bd57
Signed-off-by: Tanmay V Jagdale <tjagdale@codeaurora.org>
Signed-off-by: Samarjeet Banerjee <banerjee@codeaurora.org>
diff --git a/exports/nss_dtlsmgr.h b/exports/nss_dtlsmgr.h
index a88014d..bbc70fa 100644
--- a/exports/nss_dtlsmgr.h
+++ b/exports/nss_dtlsmgr.h
@@ -1,6 +1,6 @@
 /*
  **************************************************************************
- * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
  * above copyright notice and this permission notice appear in all copies.
@@ -228,7 +228,7 @@
 	uint8_t result;		/**< Error during DTLS decapsulation. */
 	uint16_t len;		/**< Length of DTLS payload. */
 	uint16_t magic;		/**< Magic. */
-	uint16_t res[2];	/**< Reserved. */
+	uint8_t res[2];		/**< Reserved. */
 };
 
 /**