crypto/ecdsa: fix condition for fips140=only check
Fixes #70894
Change-Id: I78c9f2e46006ffc5f1d2886218f8aaaf3f1b59eb
GitHub-Last-Rev:
11f0b452f57aacc40139eab557a8bed1386ad07b
GitHub-Pull-Request: golang/go#70904
Reviewed-on: https://go-review.googlesource.com/c/go/+/637455
Reviewed-by: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: David Chase <drchase@google.com>