Merge branch 'PHP-5.3' of https://git.php.net/repository/php-src into PHP-5.3

Merge branch 'PHP-5.3' of https://git.php.net/repository/php-src into PHP-5.3

* 'PHP-5.3' of https://git.php.net/repository/php-src:
  exposing the libxpm version in phpinfo
  PHP-5.3 branch is 5.3.19 now
  reverted the previous fix for libpng include
  fixed include checks for libpng under win
  Avoding superfluous function call
  Add test for #35895
  Update NEWS
  FD_ZERO file descriptors before calling curl_multi_fdset
  Fixed bug #62216
  - Fixed bug #62887 (Only /status?plain&full gives "last request cpu")
  - Fixed bug #62947 (Unneccesary warnings on FPM)
  - add missing php-fpm.service.in
  - Fixed bug #63085 (Systemd integration and daemonize)
  - Fixed bug #62954 (startup problems fpm / php-fpm) - Fixed bug #62886 (PHP-FPM may segfault/hang on startup)
  - Updated to version 2012.6 (2012f)
  - Updated to version 2012.5 (2012e)
  - Updated to version 2012.4 (2012d)