text/encoding/japanese: iso-2022-jp encoder doesn't write KANJI-OUT.

Fixes #11463

Change-Id: Id84b6237a08f2fbdac0a1cd4481f1b0126de426a
Reviewed-on: https://go-review.googlesource.com/11665
Reviewed-by: Nigel Tao <nigeltao@golang.org>
2 files changed