Update copyright in recently added files.

Fujii Masao <fujii@postgresql.org>

Commit: 7cc14ae9d8a46a6fac002cb5d7ef385fc6ccdeb4
Author: Fujii Masao <fujii@postgresql.org>
Date: 2017-04-25T14:38:41Z
Releases: 10.0
Update copyright in recently added files.

This commit also fixes copyright line missed by the automated script.

Author: Masahiko Sawada

Files