Use "python2" instead of undifferentiated "python".

BUG=angleproject:2209

Change-Id: I5a7a667d90160fe68a9dcf7bff5fc2dc62795270
Reviewed-on: https://chromium-review.googlesource.com/745861
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
diff --git a/scripts/generate_entry_points.py b/scripts/generate_entry_points.py
index 731d516..ab354da 100644
--- a/scripts/generate_entry_points.py
+++ b/scripts/generate_entry_points.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2
 #
 # Copyright 2017 The ANGLE Project Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be