Log Message:
Update security/php-oauth to 2.0.1.

2.0.1
* Fix multiple segfaults (kgovande, rlerdorf)

2.0.0
- PHP 7 Support
- Bug 67658: configure does not detect missing pcre.h
- Bug 67665: update fetch to accept 20X HTTP ranges
- Bug 67883: check SERVER[REDIRECT_HTTP_AUTHORIZATION]
  for the Authorization header