Fix missing or shebangs and executable bits for scripts (#10318)
diff --git a/Tools/scripts/patchcheck.py b/Tools/scripts/patchcheck.py
old mode 100644
new mode 100755
index bc8bc79..7398e78
--- a/Tools/scripts/patchcheck.py
+++ b/Tools/scripts/patchcheck.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import re
 import sys
 import shutil