doc/go1.20: fix http.ResponseController example
Fixes #57162
Change-Id: I190810d702e503822265b12c56db69ec1093233c
GitHub-Last-Rev:
e8b259d4b37523f1992fb92d99cbe068ab070eb2
GitHub-Pull-Request: golang/go#57385
Reviewed-on: https://go-review.googlesource.com/c/go/+/458275
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>