libbb/sha256: code shrink in x86 assembly

function                                             old     new   delta
sha256_process_block64_shaNI 32-bit                  676     673      -3
sha256_process_block64_shaNI 64-bit                  680     677      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2 files changed