[gnome-tweak-tool/gnome-3-24] Consistently use /usr/bin/env python2 shebangs

[Jeremy Bicha <jbicha src gnome org>]

commit 48c8d592236c93c5095c1931a3702e018995b6cf
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Jun 11 20:00:07 2017 -0400

    Consistently use /usr/bin/env python2 shebangs
    
    This is just more flexible and supports more python installations.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783531

 gnome-tweak-tool               |    2 +-
 gnome-tweak-tool-lid-inhibitor |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-tweak-tool b/gnome-tweak-tool
index 017fab0..5d59ab3 100755
--- a/gnome-tweak-tool
+++ b/gnome-tweak-tool
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/gnome-tweak-tool-lid-inhibitor b/gnome-tweak-tool-lid-inhibitor
index 3ca94e3..540660f 100755
--- a/gnome-tweak-tool-lid-inhibitor
+++ b/gnome-tweak-tool-lid-inhibitor
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 
 import gi
 gi.require_version("GLib", "2.0")