Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Anatol Belski (12) and others
# Via Stanislav Malyshev (12) and others
* 'PHP-5.5' of https://git.php.net/repository/php-src: (74 commits)
  fixed possible null deref
  - addressed bug #65159, Misleading configure help text for --with-mysql-sock
  Fix bug #61697 - spl_autoload_functions returns lambda functions incorrectly
  Update news for FILTER_SANITIZE_FULL_SPECIAL_CHARS fix
  Wrong value for FILTER_SANITIZE_FULL_SPECIAL_CHARS in REGISTER_LONG_CONSTANT
  Added recursivetreeiterator::setPostfix() method
  next is 5.5.2
  add a few comment
  allow both the old and new cfg argument to work. (the old of course should contain the typo)
  mssql.compatability_mode fix
  backward compatibility
  HASH_KEY_NON_EXISTANT fix
  Update NEWS
  Fixed bug #65304 (Use of max int in array_sum)
  Updaet NEWS
  Reorder NEWS
  intl: remove extra quotes from arginfo params
  Fixed bug #65291 - get_defined_constants() crash with __CLASS__ in trait
  Fixed bug #65291 - get_defined_constants() crash with __CLASS__ in trait
  Properly fixed bug #63186 on NetBSD == 6.0
  ...