rijndael.c, rndunix.c, sha256.c, cast5.c, idea-stub.c, rmd160.c, rndw32.c,
sha512.c, md5.c, rmd160test.c, rsa.c, tiger.c: Edit all preprocessor
instructions to remove whitespace before the '#'. This is not required by
C89, but there are some compilers out there that don't like it.
* md.c (string_to_digest_algo): Give a warning about TIGER192 not being
part of OpenPGP.
* idea-stub.c (load_module): Catch an error if the idea module file is
unloadable for some reason (unreadable, bad permissions, etc.)