crypto: keywrap - Add missing ULL suffixes for 64-bit constants

On 32-bit (e.g. with m68k-linux-gnu-gcc-4.1):

    crypto/keywrap.c: In function ‘crypto_kw_decrypt’:
    crypto/keywrap.c:191: warning: integer constant is too large for ‘long’ type
    crypto/keywrap.c: In function ‘crypto_kw_encrypt’:
    crypto/keywrap.c:224: warning: integer constant is too large for ‘long’ type

Fixes: 9e49451d

 ("crypto: keywrap - simplify code")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>