Small fixes in license headers.

PiperOrigin-RevId: 271534490

unsupervised_adversarial_training/run.sh

@@ -1,3 +1,4 @@
+#!/bin/sh
 # Copyright 2019 Deepmind Technologies Limited.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#!/bin/sh
-
 # Usage:
 # user@host:/path/to/deepmind_research$ unsupervised_adversarial_training/run.sh