Merge branch 'PHP-5.4' of https://git.php.net/repository/php-src into PHP-5.4

* 'PHP-5.4' of https://git.php.net/repository/php-src:
  Fix bug #64953 (Postgres prepared statement positional parameter casting)
Quash compile warning "warning: 'flags' may be used uninitialized in this function"
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Quash compile warning "warning: 'flags' may be used uninitialized in this function"