acme: gofmt code with Go 1.19 gofmt

Change-Id: Ib0fd6fcfa358df2bdb820a512b73e7cdb34120f8
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/424174
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>

Author: rsc

acme/acme.go

@@ -310,9 +310,9 @@ func (c *Client) UpdateReg(ctx context.Context, acct *Account) (*Account, error)
 // On success client's Key is updated which is not concurrency safe.
 // On failure an error will be returned.
 // The new key is already registered with the ACME provider if the following is true:
-//  - error is of type acme.Error
-//  - StatusCode should be 409 (Conflict)
-//  - Location header will have the KID of the associated account
+//   - error is of type acme.Error
+//   - StatusCode should be 409 (Conflict)
+//   - Location header will have the KID of the associated account
 //
 // More about account key rollover can be found at
 // https://tools.ietf.org/html/rfc8555#section-7.3.5.