Update cm_sha2.[hc] from sha2.[hc] in "sha2-1.1-ALPHA.tgz" downloaded
today from
http://www.aarongifford.com/computers/sha.html
with trivial whitespace cleanup. This adds SHA-224 support.
Copy cm_sha2.[hc] from sha2.[hc] in "sha2-1.0.tar.gz" downloaded today
from
http://www.aarongifford.com/computers/sha.html
with trivial whitespace cleanup. Also fix #include to account for
rename.