Fix missing or shebangs and executable bits for scripts (#10318)
diff --git a/Tools/scripts/mailerdaemon.py b/Tools/scripts/mailerdaemon.py
old mode 100644
new mode 100755
index 85f90aa..a1eeaad
--- a/Tools/scripts/mailerdaemon.py
+++ b/Tools/scripts/mailerdaemon.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 """mailerdaemon - classes to parse mailer-daemon messages"""
 
 import rfc822