[CORD-1758]
Fix Copyright message put before shebang

Change-Id: Iffd3405521ce8fb17b58668c075dedc02b1da1e6
diff --git a/roles/maas/templates/nat.j2 b/roles/maas/templates/nat.j2
index 78fca9f..b2bcd2a 100755
--- a/roles/maas/templates/nat.j2
+++ b/roles/maas/templates/nat.j2
@@ -1,3 +1,4 @@
+#!/bin/bash
 
 {#
 Copyright 2017-present Open Networking Foundation
@@ -15,9 +16,6 @@
 limitations under the License.
 #}
 
-
-#!/bin/bash
-
 # Add rules to configure NAT
 
 REPORT_CHANGED=0