Merge branch 'openssl-x509-digest' of https://github.com/datibbaw/php-src

* 'openssl-x509-digest' of https://github.com/datibbaw/php-src:
  Using SUCCESS and FAILURE for return values Using zend_bool for boolean arguments and return values Reduced one level of zval indirection where possible
  show method in error message
  Support string and array for peer fingerprint matching
  who put that stupid newline there?
  add md5 and sha1 fingerprint tests
  Renamed to be more descriptive of what it does
  don't leak cert on errors, return null on zpp failure
  Added test case for openssl_x509_digest()
  removed the byref result
  indentation fail
  added option for hash function
  added option for raw output
  added openssl_x509_digest(), output is binary sha1