crypto: sha-s390 - Fix warnings in import function

That patch should fix the warnings.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --cc arch/s390/crypto/sha1_s390.c
Simple merge

diff --cc arch/s390/crypto/sha256_s390.c
Simple merge

diff --cc arch/s390/crypto/sha512_s390.c
Simple merge