don't hard-code the path to the python interpreter

diff --git a/zonemaker b/zonemaker
index 01697f25cfb1a36402a9c355f01d13279d70938d..e308c95f6ff54968e7261d2065ad76c0d9b47582 100755 (executable)
--- a/zonemaker
+++ b/zonemaker
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 # Copyright (c) 2014, Ralf Jung <post@ralfj.de>
 # All rights reserved.
 #