const crypto/md5.magic

7 uses

	crypto/md5 (current package)
		md5.go#L56: 	magic         = "md5\x01"
		md5.go#L57: 	marshaledSize = len(magic) + 4*4 + BlockSize + 8
		md5.go#L65: 	b = append(b, magic...)
		md5.go#L77: 	if len(b) < len(magic) || string(b[:len(magic)]) != magic {
		md5.go#L83: 	b = b[len(magic):]