Update copyrights for 2020

Bruce Momjian <bruce@momjian.us>

Commit: 78b381c5ddadb25e915ee4f380c28a676851998c
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-01-01T17:21:44Z
Releases: 9.5.21
Update copyrights for 2020

Backpatch-through: update all files in master, backpatch legal files through 9.4

Files

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