Fix shebang broken because of license header additions

Change-Id: Ib26f389ea22b7afa2028dfa0994e19276dd3429d
diff --git a/src/test/setup/of-bridge.sh b/src/test/setup/of-bridge.sh
index 18ad890..cd56e6c 100755
--- a/src/test/setup/of-bridge.sh
+++ b/src/test/setup/of-bridge.sh
@@ -1,4 +1,4 @@
-
+#!/usr/bin/env bash
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,7 +14,6 @@
 # limitations under the License.
 
 
-#!/usr/bin/env bash
 bridge="$1"
 controller="$2"
 if [ x"$bridge" = "x" ]; then