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

# By Xinchen Hui (3) and Dmitry Stogov (2)
# Via Xinchen Hui (3) and Dmitry Stogov (2)
* 'phpng' of git.php.net:php-src:
  Fixed iterator destruction
  Fixed uninitialized value used
  Finish ext/pdo_pgsql (3 tests fail, 1 due to knew issue, 2 also fails in trunk)
  Fixed memory leaks
  Fixed several test failed