[meld] setup.py: Make executable, and specify that we want python 2

[Kai Willadsen <kaiw src gnome org>]

commit 59c9e157cf9537b8c66c1b0e74d9290c55fa4e14
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Aug 23 08:02:51 2015 +1000

    setup.py: Make executable, and specify that we want python 2
    
    Change suggested by Scott Kostyshak.

 setup.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/setup.py b/setup.py
old mode 100644
new mode 100755
index 421724f..7197da7
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 from distutils.core import setup
 import glob