const hash/crc32.marshaledSize

3 uses

	hash/crc32 (current package)
		crc32.go#L173: 	marshaledSize = len(magic) + 4 + 4
		crc32.go#L177: 	b := make([]byte, 0, marshaledSize)
		crc32.go#L188: 	if len(b) != marshaledSize {