cryptobyte: fix typo 'octects' into 'octets' for asn1.go

This typo ends up into lots of executables that trigger 'codespell'-style linter checks.

Change-Id: I2a7e3a6597272ca7c97ebddc54c5eef4cb5cab88
GitHub-Last-Rev: e42f734
GitHub-Pull-Request: #310
Reviewed-on: https://go-review.googlesource.com/c/crypto/+/646375
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Ian Lance Taylor <[email protected]>
Reviewed-by: Roland Shoemaker <[email protected]>

Author: jas4711

Diff for: cryptobyte/asn1.go

@@ -234,7 +234,7 @@ func (b *Builder) AddASN1(tag asn1.Tag, f BuilderContinuation) {
 	// Identifiers with the low five bits set indicate high-tag-number format
 	// (two or more octets), which we don't support.
 	if tag&0x1f == 0x1f {
-		b.err = fmt.Errorf("cryptobyte: high-tag number identifier octects not supported: 0x%x", tag)
+		b.err = fmt.Errorf("cryptobyte: high-tag number identifier octets not supported: 0x%x", tag)
 		return
 	}
 	b.AddUint8(uint8(tag))