pana.org.au> 1319199856 +0200

crypto: whirlpool - count rounds from 0

rc[0] is unused because rounds are counted from 1.
Save an u64!

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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