Use env to invoke python

/usr/bin/python may be python3. We should respect PATH to find the python
executable so it can be locally overridden to be python2.

Test: Build libc, repo upload
Change-Id: Iaddd7cd4a1c2177c32786e4fa0fc664ab0ad36de

1 files changed, 1 insertions, 1 deletions

diff --git a/libc/kernel/tools/cpp.py b/libc/kernel/tools/cpp.py
index bca491bad..fff80f67e 100644
--- a/libc/kernel/tools/cpp.py
+++ b/libc/kernel/tools/cpp.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 """A glorified C pre-processor parser."""
 
 import ctypes