* src/rtl/sha1hmac.h
* src/rtl/sha1hmac.c
* src/rtl/hbsha1.c
* src/rtl/hbsha1hm.c
* src/rtl/sha1.c
* src/rtl/sha1.h
* Reverted previous two fix attempts (for the most part) and replaced
it with patch posted by Przemek. This fixes low level SHA1 code,
and it's the efficient solution.
d9fa4aa703