Update copyright for 2018

Bruce Momjian <bruce@momjian.us>

Commit: 9173695b616665592d3dc62a72ef5cbb859dca65
Author: Bruce Momjian <bruce@momjian.us>
Date: 2018-01-03T04:30:12Z
Releases: 9.3.21
Update copyright for 2018

Backpatch-through: certain files through 9.3

Files

PathChange+/−
COPYRIGHT modified +1 −1
doc/src/sgml/legal.sgml modified +3 −3