maps: use strings.EqualFold in example
Change-Id: I40a9684a9465e844ff1de46601edf23de7b637e3
GitHub-Last-Rev:
15ef023853d1f18160b290f32468f1ce0c38d12d
GitHub-Pull-Request: golang/go#65541
Reviewed-on: https://go-review.googlesource.com/c/go/+/561855
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Cherry Mui <cherryyz@google.com>