Add ifdef around SHA_DIGEST_SIZE; remove always_memset.

SHA_DIGEST_SIZE is also defined by the TPM2 library,
so add ifdef guards around its declaration.

Remove always_memset, as global data
initialization may not be portable.

Change-Id: I7c78e7c79d2b778508f813e046e062be24837fdb
Signed-off-by: nagendra modadugu <[email protected]>
Reviewed-on: https://chromium-review.googlesource.com/346240
Commit-Ready: Nagendra Modadugu <[email protected]>
Tested-by: Nagendra Modadugu <[email protected]>
Reviewed-by: Vadim Bendebury <[email protected]>
5 files changed