Correctly check the return code of EVP_MAC_ctrl everwhere it is used

EVP_MAC_ctrl is documented to return 0 or -1 on failure. Numerous places
were not getting this check correct.

Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/8584)
3 files changed