Log Message:
Update php55 to 5.5.15.

24 Jul 2014, PHP 5.5.15

- Core:
  . Fixed bug #67428 (header('Location: foo') will override a 308-399 response
    code). (Adam)
  . Fixed bug #67436 (Autoloader isn't called if two method definitions don't
    match). (Bob)
  . Fixed bug #67091 (make install fails to install libphp5.so on FreeBSD 10.0).
    (Ferenc)
  . Fixed bug #67497 (eval with parse error causes segmentation fault in
    generator). (Nikita)
  . Fixed bug #67151 (strtr with empty array crashes). (Nikita)
  . Fixed bug #67407 (Windows 8.1/Server 2012 R2 reported as Windows 8/Server
    2012). (Christian Wenz)

- CLI server:
  . Implemented FR #67429 (CLI server is missing some new HTTP response codes).
    (Adam)
  . Fixed bug #66830 (Empty header causes PHP built-in web server to hang).
    (Adam)

- FPM:
  . Fixed bug #67530 (error_log=syslog ignored). (Remi)
  . Fixed bug #67531 (syslog cannot be set in pool configuration). (Remi)

- Intl:
  . Fixed bug #66921 (Wrong argument type hint for function
    intltz_from_date_time_zone). (Stas)
  . Fixed bug #67052 (NumberFormatter::parse() resets LC_NUMERIC setting).
    (Stas)

- OPCache:
  . Fixed bug #67215 (php-cgi work with opcache, may be segmentation fault
    happen) (Dmitry, Laruence)

- pgsql:
  . Fixed bug #67550 (Error in code "form" instead of \ 
"from", pgsql.c, line 756),
    which affected builds against libpq < 7.3. (Adam)

- Phar:
  . Fixed bug #67587 (Redirection loop on nginx with FPM). (Christian Weiske)

- SPL:
  . Fixed bug #67539 (ArrayIterator use-after-free due to object change during
    sorting). (research at insighti dot org, Laruence)
  . Fixed bug #67538 (SPL Iterators use-after-free). (CVE-2014-4670) (Laruence)

- Streams:
  . Fixed bug #67430 (http:// wrapper doesn't follow 308 redirects). (Adam)