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

# By Michael Wallner
# Via Michael Wallner
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  fix bug #51076 (race condition in shtool's mkdir -p)
Merge branch 'PHP-5.5' of https://git.php.net/repository/php-src into PHP-5.5

# By Michael Wallner (2) and others
# Via Michael Wallner (3) and Stanley Sufficool (1)
* 'PHP-5.5' of https://git.php.net/repository/php-src:
  C89 compatibility
  Fixed segfault when built with OpenSSL >= 1.0.1
  consolidate NEWS with 5.4
  fixing a minor typo in CODING_STANDARDS document
  FIX BUG #65219 - Typo correction
  FIX BUG #65219 - USE DB not being sent for FreeTDS version < 0.92 FreeTDS <0.92 does not support DBSETLDBNAME option and therefore will not work with SQL Azure. Fallback to dbuse command in letter versions.
Fixed bug #65845 (Error when Zend Opcache Optimizer is fully enabled).
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fixed bug #65845 (Error when Zend Opcache Optimizer is fully enabled).

Conflicts:
	NEWS