test/typeparam: fix copyright message
test/typeparam: fix copyright message

Change-Id: Ia0a4be56d4e1fbfc73e6ce24f01a658c89a74adb
GitHub-Last-Rev: dd95e50c4b37a031d3ee852bbb7487f748526562
GitHub-Pull-Request: golang/go#52393
Reviewed-on: https://go-review.googlesource.com/c/go/+/400694
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@google.com>
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@google.com>
Auto-Submit: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@google.com>
TryBot-Result: Gopher Robot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>
Reviewed-by: Dmitri Shuralyov <d181b7fea0ec87c86ba5a890ab716db52498e3ba@google.com>

nawawi/go,golang/go,golang/go,golang/go,nawawi/go,nawawi/go,golang/go,nawawi/go,nawawi/go,nawawi/go,golang/go,golang/go,nawawi/go,golang/go,golang/go,nawawi/go