Fix bug #64953 (Postgres prepared statement positional parameter casting)
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Fix bug #64953 (Postgres prepared statement positional parameter casting)

Conflicts:
	ext/pdo/pdo_sql_parser.c
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fix bug #64953 (Postgres prepared statement positional parameter casting)