runtime: tweak example code for gorecover
Change-Id: Ie545610fab008f7855bcb1a608f98e0c5109ec20
GitHub-Last-Rev:
66401b913ad8e85c1dc6c9c0e785f57d5dc5c47e
GitHub-Pull-Request: golang/go#76100
Reviewed-on: https://go-review.googlesource.com/c/go/+/716040
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Keith Randall <khr@google.com>