Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
  Fixed bug #72788 (Invalid memory access when using persistent PDO connection)
  Remove typo'd commit
  Fix bug 72788: Invalid memory access when database_object_handle is undefined. Also fix memory leak in dbh_free when using persistent PDO connections.

diff --cc ext/pdo/pdo_dbh.c
Simple merge

diff --cc ext/pdo_pgsql/pgsql_statement.c
Simple merge