**/*.py: use /usr/bin/env to find python

src/trusted/validator_x86/discmp.py

-#!/usr/bin/python
+#!/usr/bin/env python
 # Copyright 2008, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 136 matching lines @@
       logging.info("traversing dir: %s", filename)
       for dirpath, dirlist, filelist in os.walk(filename):
         for fname in filelist:
           CheckOneFile(os.path.join(dirpath, fname), ncdis, objdump)
     else:
       CheckOneFile(filename, ncdis, objdump)
   return 0
 
 if '__main__' == __name__:
   sys.exit(main(sys.argv))