test-lib-functions.sh: fix the second argument to some helper functions

diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py
index 854cd94ba55e498a3ff6c26be3dbe5191faa19dc..046cb2b268a82358630e86bb55cf8b4e58c730fb 100755 (executable)
--- a/contrib/hg-to-git/hg-to-git.py
+++ b/contrib/hg-to-git/hg-to-git.py
@@ -1,4 +1,4 @@
-#! /usr/bin/python
+#!/usr/bin/env python
 
 """ hg-to-git.py - A Mercurial to GIT converter