Merge branch 'PHP-5.6' of git.php.net:php-src into PHP-5.6

* 'PHP-5.6' of git.php.net:php-src:
  NEWS
  Fixed bug #66060 (Heap buffer over-read in DateInterval)
Removed deprecated AI_SET_PTR()s
Merge branch 'PHP-5.6'

* PHP-5.6:
  Removed deprecated AI_SET_PTR()s