[gcr] build: Use /usr/bin/env to find python

[Stefan Walter <stefw src gnome org>]

commit 5b3a10be39dc8ec63c7f93ca052085823a841ba0
Author: Stef Walter <stefw redhat com>
Date:   Sun Mar 23 09:04:54 2014 +0100

    build: Use /usr/bin/env to find python
    
    https://bugzilla.gnome.org/show_bug.cgi?id=726909

 build/tap-driver  |    2 +-
 build/tap-gtester |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/build/tap-driver b/build/tap-driver
index 3906b40..96fd219 100755
--- a/build/tap-driver
+++ b/build/tap-driver
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright (C) 2013 Red Hat, Inc.
 #
diff --git a/build/tap-gtester b/build/tap-gtester
index 7e667d4..e075281 100755
--- a/build/tap-gtester
+++ b/build/tap-gtester
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Copyright (C) 2014 Red Hat, Inc.
 #