change shebang to /usr/bin/python

BUG=chromium-os:206038
TEST=None

Change-Id: I34c09e14d13993ff2b9e6ce17dd7e16fd01f962c
Reviewed-on: https://gerrit-int.chromium.org/34133
Reviewed-by: Luis Lozano <llozano@chromium.org>
Commit-Queue: Mike Frysinger <vapier@google.com>
Tested-by: Mike Frysinger <vapier@google.com>
diff --git a/build_benchmarks.py b/build_benchmarks.py
index 41079f8..906f0cc 100755
--- a/build_benchmarks.py
+++ b/build_benchmarks.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2.6
+#!/usr/bin/python
 #
 # Copyright 2010 Google Inc. All Rights Reserved.